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 - SOUTH METRO MANILA Award a ₱11.5M contract to C & F CONSTRUCTION AND DEVELOPMENT CORPORATIONNational agencies
Transaction hash:
a660b482c8afbc3a8e3ffbdec190bf681854285ed8a9278ab7d392f0f393d52c
Status:
Included and unchanged
Block:
#2,696 3,317 blocks after it
Position in block:
Transaction 640 of 972
Award day:
Mar 21, 2016 (10 yrs 7 mo ago)
Value:
₱11,488,874.20
Project:
16OH0061
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 #2,696 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)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SOUTH METRO MANILA awarded it to C & F CONSTRUCTION AND DEVELOPMENT CORPORATION on 2016-03-21.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)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 a660b482c8…93d52cnow …
- 2. Block Merkle root changedstored 411f0d33c1…28e8d9now …
- 3. Block #2696 hash changedstored 688aedf65b…552783now …
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 971 records. Each step hashes the current value together with the sibling shown.
- leaf a660b482c8afbc3a8e3ffbdec190bf681854285ed8a9278ab7d392f0f393d52c
- 01 R a67f7df58777cc681b71e39a7dc43fbc7fb72ee9ed5a41d4874d10b5cb8e9f71
- 02 R 6769c8b12b65f5f9cee67a07e85af7b2a70d3f452885ec7c41e831ef5808392b
- 03 R 69d5ceecd9620abfd73d687067549123cfa1c740a7e1fce49457109f13517a66
- 04 R 3e2264cbff59f484a98bd1f86f59b104ade28eab89e43b0e312475c26107ccdc
- 05 R cda4eb1bd9aa77b9eeec6a6f5e8f38a6b3123e4fcd0f576358c64c4da4b45fa1
- 06 R 515236ce7b2f788ec4e33251bf7a595247bcc6de5402d65a9dcecf3c321750ac
- 07 R cee13c6d421e8b0b0423ffeba8bb145f93f2df8d831b8391b41ce444f4448ebd
- 08 L cd707ac65522d5aa1e5a1aed31a0f222b317fa6f846ac3cd170f6e9569c9fc05
- 09 R 2835a71911458d596a1b202fd13ebbd351df380866a05da1dcf029a3c168f306
- 10 L c6ce0514fafe918849dd98e5130bd1a70321f545d105344f22921e3b329e7f1f
- root 411f0d33c1ff8fe06f553dbe0e3076d7d43be2d1c36eef4a487581be7428e8d9