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 - LA UNION 2ND DISTR Award a ₱1.9M contract to E. E. MADAYAG CONSTRUCTIONNational agencies
Transaction hash:
fa47dc470dee124f62ee1cd9df20f7a101061f5d57a9c8f32dda03c32e5c7f54
Status:
Included and unchanged
Block:
#2,328 3,685 blocks after it
Position in block:
Transaction 218 of 224
Award day:
Feb 18, 2015 (11 yrs 8 mo ago)
Value:
₱1,898,241.07
Project:
15AF0017
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 #2,328 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 - LA UNION 2ND DISTR awarded it to E. E. MADAYAG CONSTRUCTION on 2015-02-18.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 fa47dc470d…5c7f54now …
- 2. Block Merkle root changedstored 32be4ffaf1…1b7402now …
- 3. Block #2328 hash changedstored 6eb0bd5c6e…0e413fnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 223 records. Each step hashes the current value together with the sibling shown.
- leaf fa47dc470dee124f62ee1cd9df20f7a101061f5d57a9c8f32dda03c32e5c7f54
- 01 R fa669380c78df20db6f151268d486452e8a6e0c2bbc4c18bb943122d58eebf87
- 02 L 2e5628f85b6492c096e42523fc788177e330f33452b7308a7906f67dc2ac56f0
- 03 R e9886cff35a2121bb3b9e69e05c361faeb75c486ff822c1157fb2c7088cc4827
- 04 L 84c2c46be90bc9cc03a8eecbc9eb4887bad1bb17d5a7baad3bfb0be4ce0c9fcf
- 05 L 24867f93af3f4fa309fc65125fae48673241d91d6d6397fcac36e30b314af23c
- 06 R c442b28e38dd1db681d7e9b3a5eaa8d748f10ad7cd4f360e5e8a1306a774a1e4
- 07 L 3f9888151fe33c2a420665fbc885cc309f83f69c807fa59c4b98660eb230710d
- 08 L a9e242906c96965031075b2c4f44a64b5b473e5d3e09375f05e227a6730c97f5
- root 32be4ffaf16031ce4abe1198d109dc6ddeeff1e578933e84f9a4da089f1b7402