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 ALCANTARA, ROMBLON Award a ₱777.9K contract to GAYMAR'S CONSTRUCTION SUPPLYMunicipalities
Transaction hash:
f20531ecd09b3a9e3b3fdc4867e8b2aa7d8b8e0fcec5e65763751e93876011f6
Status:
Included and unchanged
Block:
#4,584 1,429 blocks after it
Position in block:
Transaction 253 of 265
Award day:
Sep 30, 2021 (5 yrs 1 mo ago)
Value:
₱777,946.00
Project:
Pur of Mtls for the Cons of Flood Control System
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 #4,584 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 ALCANTARA, ROMBLON awarded it to GAYMAR'S CONSTRUCTION SUPPLY on 2021-09-30.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 Alcantara 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 f20531ecd0…6011f6now …
- 2. Block Merkle root changedstored 9941d99c79…58da92now …
- 3. Block #4584 hash changedstored 490c5ccc88…bac63anow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 264 records. Each step hashes the current value together with the sibling shown.
- leaf f20531ecd09b3a9e3b3fdc4867e8b2aa7d8b8e0fcec5e65763751e93876011f6
- 01 L f11efb241f52c36fc782831d7fed057b9f46503cf29a16261a518183e2a3cfd9
- 02 R 1d08df3d3630720df09ad78d270cbd85c80fe05a7400ea9802e62ee618ecae57
- 03 L 8b92603acb0aee137f37f52940c5bb141695cf26419464dd608f6e5f4dd407fc
- 04 L d1a12a571a23cb2473923664dc5ec16576e3c6d193d8d9e6dc2dfc2259b42a4f
- 05 L a740242a95235646e0cd5556557200bc5b07c87f8a401ae41d991ebbf29bb62b
- 06 L e9aa77ee7a50554ab8a0f527f992d58029c0f9caeb1c5d619088524faf643800
- 07 L ada14dca9e5e51e8f3f8c4fd794ffbe925f29775c8d0520ae7cd4a7c580ab03f
- 08 L b2ac89697d8f1cef518d75fedd4ede0c7a24a14ce706dc81da6e890e495427bd
- 09 R 50b8e16b249a7d76c464d3886bc1903f348a4073c48f957c60e984960377b3a3
- root 9941d99c79445756540dbbd1459b3d47efc90bead07d03197fab60bf9758da92