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 - METRO MANILA 1ST E Award a ₱4.8M contract to YPR GEN. CONTRACTOR AND CONSTRUCTION SUPPLY INC.National agencies
Transaction hash:
8f2bc798e382da1fa181f0c578632015a4dc1b5e1d1cc66b1b9175ba1a335bd7
Status:
Included and unchanged
Block:
#4,583 1,430 blocks after it
Position in block:
Transaction 120 of 203
Award day:
Sep 29, 2021 (5 yrs 1 mo ago)
Value:
₱4,798,681.46
Project:
Contract ID No. 21OB0223-Name of Contract Cons
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 #4,583 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 - METRO MANILA 1ST E awarded it to YPR GEN. CONTRACTOR AND CONSTRUCTION SUPPLY INC. on 2021-09-29.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 8f2bc798e3…335bd7now …
- 2. Block Merkle root changedstored 9f9b46a3d3…a3ef0enow …
- 3. Block #4583 hash changedstored 2bf54c7930…a50474now …
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 202 records. Each step hashes the current value together with the sibling shown.
- leaf 8f2bc798e382da1fa181f0c578632015a4dc1b5e1d1cc66b1b9175ba1a335bd7
- 01 R 9076780bdeb46b786063a80eb72c2be0b3c8125e868856275c82e1752c167d27
- 02 R 6a4f1bf6f1890ec339d26d001807dbef2bd770f8e3f34e6622f21b55017ff881
- 03 R 102de014439c360375cbb10c680060739da1e394405302e816e54256581c6748
- 04 L 330195ab84e56468cdf4c6b3aafa7db1938c796585fa255cbad4508bb1632dac
- 05 L df6106455402461c5731420fd44cf021147a1b2a5cc9f083f924007fe847b0b2
- 06 L af87519e04a278bdf416145b375e7b7b7e24189772d448172e602829daf93e52
- 07 L 9924c68758f9173e46232bf2266fbbf70e9eed08c980d6ed59aa122d472f0019
- 08 R 511c555767b7ba214353e47741b73cbfa563d1f7580a830a7c6df7811e86f193
- root 9f9b46a3d3261b362982c6dfb7286c147aa7baf0ce6596104ece614c23a3ef0e