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 LAGUNA Award a ₱2.2M contract to DATZLAV CONSTRUCTIONProvinces
Transaction hash:
8a14119d42befef4afcb2a89b01bd450124297369816ddcdfd19beaeaa6f7f07
Status:
Included and unchanged
Block:
#4,668 1,345 blocks after it
Position in block:
Transaction 145 of 259
Award day:
Dec 23, 2021 (4 yrs 10 mo ago)
From:
Value:
₱2,156,400.00
Project:
Rehabilitation of Barangay Road, Brgy. Santisima C
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 #4,668 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 LAGUNA awarded it to DATZLAV CONSTRUCTION on 2021-12-23.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 Laguna 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 8a14119d42…6f7f07now …
- 2. Block Merkle root changedstored 2e1db8c9a8…9ef58cnow …
- 3. Block #4668 hash changedstored 2417876951…fc8daenow …
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 258 records. Each step hashes the current value together with the sibling shown.
- leaf 8a14119d42befef4afcb2a89b01bd450124297369816ddcdfd19beaeaa6f7f07
- 01 L 89dc8500c137f3429a8404f79f69caf71c03d6541adcce9d39a319c29aaab3d1
- 02 R 1b29df4889f7d65f98c4206980558b796479785a60aea5cfedf6dfc4b2e146df
- 03 R fdee77eee2c4124d798754947813e04c2cf7b61929ba8b524331e1cc68a33b0d
- 04 R e605f8f309437963a1d52b5a77f37cc2d771d8e314a3ad57319a7a639f19126a
- 05 L d9960490a5621f184fb19188b58c03988aa2f2ffbf2aa78f7b35cfb59a76e00a
- 06 R 9c0a995a51517198a162ad1c36d5a9d76f95a78251c38a656f56a1b840c0706f
- 07 R a2d6efee8be5d8c718c9853e3e3031985183b08b208bb9f63b46ef3ea35f7d90
- 08 L eeac9ffb03013255980a6f606365945a7e90c806e70dfa3fdf7df8695474c438
- 09 R d49f65a9395b79a78857f9d1463f2c7bc6bb30f25434dc416f1c671334a58210
- root 2e1db8c9a801ab208f4b6fbe5cebdcc022895c8c7e6f354c916657e36d9ef58c