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
PROVINCE OF EASTERN SAMAR Award a ₱2.0M contract to YFL BUILDERSProvinces
Transaction hash:
8a71bca4d7cc32c884b26b95aa5c33c084cff1f99387887027d877ffb4cf0d1d
Status:
Included and unchanged
Block:
#4,742 1,271 blocks after it
Position in block:
Transaction 294 of 551
Award day:
Mar 10, 2022 (4 yrs 8 mo ago)
To:
Value:
₱1,985,133.61
Project:
Civil Works
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 #4,742 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)PROVINCE OF EASTERN SAMAR awarded it to YFL BUILDERS on 2022-03-10.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 Eastern Samar gave a "qualified" 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 8a71bca4d7…cf0d1dnow …
- 2. Block Merkle root changedstored 7a43484e33…a6ded1now …
- 3. Block #4742 hash changedstored a65692553d…b1df44now …
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 550 records. Each step hashes the current value together with the sibling shown.
- leaf 8a71bca4d7cc32c884b26b95aa5c33c084cff1f99387887027d877ffb4cf0d1d
- 01 R 8b516e0557bd4e9243a1489867957699fce312381adc4b0c0d768642a0756816
- 02 L 8f1f55f80d1e550cf4ef620234d7ca371f4f93e16c335abd148c121dfce6f57a
- 03 L 7b9259e9be43484689ffb6be10b54907220956750158c66a7b6028fcccf9cf33
- 04 R 369fbbe50d9d9c3947eae2c14bd1094eee16a869b786edf99dfc01460042d887
- 05 R c9d6d96beb08f656fa1d483e42b59dfcb4edaa7512903fdc43cfaaa3ce1d0961
- 06 L 6491235ba5fd287663f87591150dd2d67bf06329937171e28892141409f42800
- 07 R 65b852e5d2f081a4432166dbc15d7d69e5930ac39a373e5530f3437aae3d678a
- 08 R d8ce4ca0320f54af816cd7405dd398ee1f7273057acf840f90c94c2251117a6e
- 09 L 606806657decfdb1d6aadc0aa9e6c9d00804b39b7d5941f489ff20f373441168
- 10 R 382a411762afc40a6e35f41c27cf32ee9e718e41bb912084c181d505d5ba514c
- root 7a43484e33b9d52e38187917bc5d343881f0eb63a396fc956048d5d331a6ded1