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 - TARLAC 1ST DEO Award a ₱294.5K contract to G. M. TALAVERA CONSTRUCTION AND SUPPLIESNational agencies
Transaction hash:
bc2efe2beb2529e9e4130f3a23fd70b7f8de2c0d408bd23b359694415e683df0
Status:
Included and unchanged
Block:
#4,506 1,507 blocks after it
Position in block:
Transaction 312 of 419
Award day:
Jul 13, 2021 (5 yrs 4 mo ago)
Value:
₱294,534.15
Project:
21CJ0184
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 #4,506 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 - TARLAC 1ST DEO awarded it to G. M. TALAVERA CONSTRUCTION AND SUPPLIES on 2021-07-13.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 bc2efe2beb…683df0now …
- 2. Block Merkle root changedstored 0721b6020e…71eed0now …
- 3. Block #4506 hash changedstored 5484aba143…e5e011now …
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 418 records. Each step hashes the current value together with the sibling shown.
- leaf bc2efe2beb2529e9e4130f3a23fd70b7f8de2c0d408bd23b359694415e683df0
- 01 R bc3c1d51ae6b2984d2e19f1535327e4e4987891a38fe8a03ce83d9811ad493cc
- 02 R 1c1a1b230616cb48a786655e6b9bf7c8ec419ab4b7d6027b1b8e85122f1be817
- 03 R 5226b42a78eb56abdc86334e1d1c1f4a2b3a7931ea3e49e7a5192ab4c1db113a
- 04 L a4b7b24d44489d64e9f4c2825ac7e8d125c37ebcdc050dba8246b2db5bf43fbe
- 05 L 9142fbb8a652a0f075fc0da862fde102346d87383d0391b2a3813b6a1fa6c2fa
- 06 L bcab54aaa41e73a5c0aa1dd526e24a0694e982835c1279f2e5aed3a64b047b16
- 07 R f028ecf52a4774d16b0ede53a81427f7996784b89988bf96c5f77325a8535dbc
- 08 R d9a35470047e668ea998ea7761a0029760a1779a9666a53390a15f5f3a8f5425
- 09 L 1c1be720cd8e190ad93238f102c7a32cf4286090a757025ea09df202490048b8
- root 0721b6020e7ab9c359f3b4e015e8eee0bd6c576d0e97c4ac1cf0d1a49071eed0