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 - MARINDUQUE DEO Award a ₱1.4M contract to PERFORMANCE BUILDERS & DEVELOPERS CORPORATIONNational agencies
Transaction hash:
a2b7d1b02b425623d2bdfc46c168cf55ffb5bd437c0d9099e08dd03826d626c3
Status:
Included and unchanged
Block:
#1,710 4,303 blocks after it
Position in block:
Transaction 237 of 394
Award day:
Mar 21, 2013 (13 yrs 7 mo ago)
Value:
₱1,418,031.22
Project:
13EA0015
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 #1,710 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 - MARINDUQUE DEO awarded it to PERFORMANCE BUILDERS & DEVELOPERS CORPORATION on 2013-03-21.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 a2b7d1b02b…d626c3now …
- 2. Block Merkle root changedstored 39d0c13b45…ff87e8now …
- 3. Block #1710 hash changedstored 024bcbf973…fa9c95now …
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 393 records. Each step hashes the current value together with the sibling shown.
- leaf a2b7d1b02b425623d2bdfc46c168cf55ffb5bd437c0d9099e08dd03826d626c3
- 01 L a2a01ff22da3122ee494cd1b17c54ce5fab0fb254bbd17e5572211ed54738bb6
- 02 R a44b3d312d4ade52d3d8684dcd7f65ed52d63aa69bf1604f187cec047527a09a
- 03 L 4ea46e35bb0a738fdd2610224499540870a7b1b4afc22d041f4c8ed3fb760a2c
- 04 L 6cbf7b1968c01a346d30d9a1f265b783534d892a57ecd51e8a737855b83a350b
- 05 R 064247a8ab102b672a529f04e6314883a273edb1a489f4779624691aa7e32cf7
- 06 L 0cd1f10677fbbd514906b1435f27c86e7bbd0ede43ae05fe52ea476b95a00188
- 07 L c18b5efaf83949f7d057fb3ff07b49067fcfb69109d8dec59379600f249d9852
- 08 L e0a16a1cb8edeeab4c718c3ab1c23049a0d6af38196a5d464ad3958b48769d76
- 09 R e325228b2d6c9636484d8d313e2976ea294a26691811bd09c00699a6699831ee
- root 39d0c13b4553befdb20436f956d21d6c222377fc20554b4d845db8c6c3ff87e8