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
CITY OF MAKATI Award a ₱2.5M contract to 626 CONSTRUCTION AND TRADING INC.Cities
Transaction hash:
52b36741e8a6920e0be86bdf3b5b1e1bb340e1ca86e492a558b498ab3acd63db
Status:
Included and unchanged
Block:
#2,666 3,347 blocks after it
Position in block:
Transaction 67 of 223
Award day:
Feb 18, 2016 (10 yrs 8 mo ago)
From:
Value:
₱2,459,605.12
Project:
Construction Project
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 #2,666 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)The award does not say which budget line pays for it.Not published
- 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)CITY OF MAKATI awarded it to 626 CONSTRUCTION AND TRADING INC. on 2016-02-18.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 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)No completion certificate published.Not published
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)COA's CY2024 audit of City of Makati gave a "unmodified" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 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 52b36741e8…cd63dbnow …
- 2. Block Merkle root changedstored 249cf0ecba…f62868now …
- 3. Block #2666 hash changedstored 793ac7cbb7…32b57cnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 222 records. Each step hashes the current value together with the sibling shown.
- leaf 52b36741e8a6920e0be86bdf3b5b1e1bb340e1ca86e492a558b498ab3acd63db
- 01 L 50a4198b39cb160cab83942ba91b1c4f572a51307658cbd85be81ff657f6ba57
- 02 L af1acc2e90edf01b2f3052f613b7f3a209139c3c54e860cee78058bdb3143f0a
- 03 R 1a407686cc1b419f9e491b5f104b9aa23a0f1a143b451fc9c3b673a931b62065
- 04 R dbff7913f4246ad7f10d6033fb6ad1fc31a9d0eaacba767fead25dd9f2a9ee43
- 05 R d6bbf775ab4620042d61747b1ff3f14f85342ca7235d307e8a64a80a8fe43d11
- 06 R 7d56fb8aa0017215a357fdd8b629d756040a0adce88e8f6161cc6964d502a8cb
- 07 L 3350eec18310c786f16b58cf677730bfff32f46728ba55a5f8750cceab2f704a
- 08 R e8631b5a4023536900f5213d165e7a9421d5ab9bc2a432424b4afa439bc45a6b
- root 249cf0ecbaa24686a2b4a3d95165d7b4f9f4d9c441b2c139bdf87cbfcff62868