DemoFor public education only. These blocks are built by PisoScan from published PhilGEPS records to show how a budget ledger like CADENA would work. No government agency created or signed them, and this is not an official ledger. How it works
Transaction details
APITransaction action
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - MT. PROVINCE I DEO Award a ₱48.3M contract to E.T. LATAWAN CONSTRUCTIONNational agencies
Transaction hash:
307f9a99f95065bbf2f80afdb8e7f865f0b6d8df39d7f1c347017b0d442cbc5c
Status:
Included and unchanged
Block:
#4,703 1,310 blocks after it
Position in block:
Transaction 182 of 1,014
Award day:
Jan 28, 2022 (4 yrs 9 mo ago)
Value:
₱48,260,000.01
Project:
22PI0042
Full record:
Accountability
Bill Sec. 3 and 19Responsible agency:
Accountable officer:
Not stated in the source. PhilGEPS does not publish who certified the award.
Certification:
Not certified No agency signed this record. Under CADENA the accountable officer would sign it with their own key.
Demo signature:
Block #4,703 signature valid Demo key, proves nothing about the governmentPublic key
Linked records: from budget to payment
Bill Sec. 5- 1. AppropriationGAA line item · Sec. 5(b)DPWH lists the funding source as "Regular Infra - Roads: Construction - PCCP, Roads: Construction - Slope Protection using Structural Measures (e.g. Revetment, Retaining Structures, Rock Netting, Concrete Crib, Shotcrete, MSE Walls, Gabions, Riprap, Masonry)". The exact UACS line is not given.Partly
- 2. Allotment releaseSARO / allotment · Sec. 5(c)(iii)Not published per project. DBM releases SAROs, but not linked to individual contracts.Not published
- 3. Cash allocationNotice of Cash Allocation · Sec. 5(c)(iv)Not published per project.Not published
- 4. Contract awardNotice of Award (PhilGEPS) · Sec. 5(d)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - MT. PROVINCE I DEO awarded it to E.T. LATAWAN CONSTRUCTION on 2022-01-28.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 22PI0042: Completed, 100% physical progress.Found
- 6. PaymentDisbursement voucher · Sec. 5(c)(viii)Not published. No public source shows how much of this contract has been paid.Not published
- 7. CompletionCertificate of completion · Sec. 5(d)DPWH marks the contract "Completed" (end 2022-11-03). The certificate itself is not published.Partly
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
2 of 8 documents found, 2 partly. Under CADENA every step would be published within 7 working days and linked to this record.
Tamper test: try changing this record
DemoEdit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.
- 1. Record fingerprint changedstored 307f9a99f9…2cbc5cnow …
- 2. Block Merkle root changedstored 08e14097e9…e58893now …
- 3. Block #4703 hash changedstored e856a5645b…216908now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 1,013 records. Each step hashes the current value together with the sibling shown.
- leaf 307f9a99f95065bbf2f80afdb8e7f865f0b6d8df39d7f1c347017b0d442cbc5c
- 01 R 308e6afc0b518c7523aa387f5c8fd1a9c46792256cfeb3f27ba12fb3111a579b
- 02 L e5fd7a6a00f5017a89605c38318979258861d8731d99935dfe9a5be038f19c8e
- 03 L de5ff17a0f59667167c9577f51c71ac5c129c3e5d1079ccc925314d67282d9fb
- 04 R b6bbc1b56c333c5839e0edd7b6774777446df5936248b545cb4ddcc3ba0dce30
- 05 L e99bed79610b0017cfe157b39e996d9e2d6e286b473ce438ec1390b9caaf1284
- 06 L 43553dec68e33d6f75fe26748f87cca0ba24bed4d149c0db14d5b1244df567c5
- 07 R b0bf45a589c664f261c44bfae07758dc81f0dbeac9a8622bab4f5691baf5b503
- 08 L 1c3e0e6ecb638be52d55fabe5fb8ef6d7ab45aa0c994e33d749f5ae50b0239e3
- 09 R 3f40934dfa7a964dab5a4c5da06b33a1e5f3e0009e58a331ec86aaf37ec5d132
- 10 R e55f86159de4a5552426d08ea42074fbaae8afacd3f5c74a539b8ec2e660b6ac
- root 08e14097e9f802243669ec074fd4b08a83a29ded73307ce82bba663f7fe58893