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
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - METRO MANILA 2ND E Award a ₱19.0M contract to CALCON ENGINEERINGNational agencies
Transaction hash:
23287b36b5f479bdafe2ebe915f37515eb5c88f155c8b1052e7dd9bf43cb484c
Status:
Included and unchanged
Block:
#3,697 2,316 blocks after it
Position in block:
Transaction 29 of 285
Award day:
Mar 4, 2019 (7 yrs 8 mo ago)
Value:
₱19,011,971.75
Project:
Bank Rehabilitation/Sheet Piling
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 #3,697 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)DPWH lists the funding source as "Regular Infra - Support for Infrastructure Projects and Social Program 2018". The exact UACS line is not given.Partly
- 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)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - METRO MANILA 2ND E awarded it to CALCON ENGINEERING on 2019-03-04.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 19OC0144: Completed, 100% physical progress.Found
- 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)DPWH marks the contract "Completed" (end 2019-11-11). The certificate itself is not published.Partly
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
2 of 8 documents found, 2 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 23287b36b5…cb484cnow …
- 2. Block Merkle root changedstored b045e46477…9b784cnow …
- 3. Block #3697 hash changedstored 65218cab82…ce54c9now …
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 284 records. Each step hashes the current value together with the sibling shown.
- leaf 23287b36b5f479bdafe2ebe915f37515eb5c88f155c8b1052e7dd9bf43cb484c
- 01 L 22088699c4cb3619063b4bc6ce1ac746256b7b583015b39ab169442be1767b8d
- 02 R 7ec7e5ed1a1d70c84d29da4d86c7ea1d03208af7017202b9199c4fb87ea438fb
- 03 L 07bed17ddacccc7ffe18c7ea3c3d7aea6296aa4ef8ab89035e39000faf2bdcae
- 04 L e72b621d12d3c916eedb9056083af26770362353de02c8bdbe9f3c8790c0e18f
- 05 L ead71f183240080b5bc96b438ce6ffcdd5ac8de297dad178092e8cb683235744
- 06 R 2c102d82a1a5415d0bc82cb0f1565beed72a3c700637890c9c1990f671a74ef4
- 07 R ecaddf510a54e2ab8a92814dcb0cb82ffd74529a3c673a1fdf446eca57c8b3aa
- 08 R 4b8b9cebf7fb32e8688d4908deb118d5ab105ae9d5f66cd49454dfa349b1b7a7
- 09 R 177b590b45f338f7bc969dfd0c3ce5749a61116666bf504b73d0207fc5ac9ec5
- root b045e4647774fcd4068ca6fba17831ca930aeced28a5fa74ec971096379b784c