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
MUNICIPALITY OF SUDIPEN, LA UNION Award a ₱970.9K contract to ARM ASIA CONSTRUCTION & ENGINEERINGMunicipalities
Transaction hash:
a28d4bd809e0467d4e352bb94767629a66d600e8342613ade5ff696b1036773e
Status:
Included and unchanged
Block:
#2,415 3,598 blocks after it
Position in block:
Transaction 96 of 169
Award day:
May 25, 2015 (11 yrs 5 mo ago)
Value:
₱970,878.66
Project:
INFRA 15-04-13
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 #2,415 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)MUNICIPALITY OF SUDIPEN, LA UNION awarded it to ARM ASIA CONSTRUCTION & ENGINEERING on 2015-05-25.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 Sudipen 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 a28d4bd809…36773enow …
- 2. Block Merkle root changedstored 7a6abffeef…7ba758now …
- 3. Block #2415 hash changedstored 0c4257c0eb…975cd0now …
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 168 records. Each step hashes the current value together with the sibling shown.
- leaf a28d4bd809e0467d4e352bb94767629a66d600e8342613ade5ff696b1036773e
- 01 R a3164c875b21ddff9313e1e125861965ad7355ba9060122b730036d79e09d3a5
- 02 R 492ca3e3f78a4df55d07c79f1e1d4a225102622b704157f3362f61cc186cef41
- 03 R ed8b06e06b1e33920324b4d2edaf63e61487c1f0199dfcebd67d35f7964d4c0c
- 04 R 75aeaa15445e782cfb5c47c7dbe46be1962125db165d81a120c2117426eb8c79
- 05 R b1934800ee51c6deccaa1abe215b1fad959b7dda76761bd65e0eb0248c0529d2
- 06 L 433f2403e7c8f4e9b8014eed8ffe51bd092358fba4c4dc756e16a8a8036002c8
- 07 L 7498b493a9c6e69b8a156a3b0227cdf3173701f0f65e88f7985507c4960258dc
- 08 R 2467476fa9d238a41736ff51f7467561d5a90db06ab1edcfeaa937575efa5eee
- root 7a6abffeef1ac0129a2d48c710daf33d954bde6ae9c5888c2a5e2c810a7ba758