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 - QUEZON 2ND ED Award a ₱1.9M contract to TANTUCO CONSTRUCTION & TRADING CORPORATIONNational agencies
Transaction hash:
40322be5fe8e191eec2e397e59b1e1c1024005ea2f3348b75f93bc64e71ce9b6
Status:
Included and unchanged
Block:
#3,803 2,210 blocks after it
Position in block:
Transaction 180 of 807
Award day:
Jun 28, 2019 (7 yrs 4 mo ago)
Value:
₱1,880,194.99
Project:
19DJ0095
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 #3,803 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 - QUEZON 2ND ED awarded it to TANTUCO CONSTRUCTION & TRADING CORPORATION on 2019-06-28.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 40322be5fe…1ce9b6now …
- 2. Block Merkle root changedstored c7013e0be0…e975a3now …
- 3. Block #3803 hash changedstored 7fe0743a78…efaa2fnow …
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 806 records. Each step hashes the current value together with the sibling shown.
- leaf 40322be5fe8e191eec2e397e59b1e1c1024005ea2f3348b75f93bc64e71ce9b6
- 01 R 40aa2c5f6ff788e67d00714d54b24cb535923e02b05ea81df54bdb880014dd47
- 02 R 4385cead13adb5e3ec8883887a576fbe1dee287e4ab94d386c9044209b9c86e7
- 03 L 76ae8f2a5585bd4461cf2b2070c385c47dc1ea1790abb693521c8a80b7484f4a
- 04 R c3d4987532f6bc37e041edf8499632715b3ae97d9f0343b1e1b77b3ae7b53f5c
- 05 L f183a7eafba81d045a8f4b81eb201f5824ed2db93a1b25a7c2ae7fab5654cffe
- 06 L 759488ed5fb2c0635a6683bc8d53b4faf5a833872bcf915a68bff63af8d12c5a
- 07 R 59d6acf6ff9af4ac4a6898312f39a800b547a0176809eee93df5816c001110c9
- 08 L 785c39de7898f36ce22a2f258a275ba374bd5d2740c3cc230ab54de383c64659
- 09 R e0b0fac034584cff4c5e451e9a1fbc8829aa8da09e44aca21e0b9fc81678407b
- 10 R 4b8c243485ef477dc45bdf49a7bb7ad6d3d03480ed1c2dbd7bea6f364083e48c
- root c7013e0be0f8bf731b57700fbada379e398c9726fb7c9c47ed8915dc35e975a3