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 - DAVAO CITY DEO Award a ₱784.0K contract to ARDRAW CONSTRUCTION AND SUPPLY CORPORATIONNational agencies
Transaction hash:
9d48ddb103d005b504f28523ea2f97afd915543a585e1381a18fd7ac77dbac84
Status:
Included and unchanged
Block:
#4,516 1,497 blocks after it
Position in block:
Transaction 109 of 187
Award day:
Jul 23, 2021 (5 yrs 3 mo ago)
Value:
₱784,000.00
Project:
21LB0378
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 #4,516 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 - DAVAO CITY DEO awarded it to ARDRAW CONSTRUCTION AND SUPPLY CORPORATION on 2021-07-23.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 9d48ddb103…dbac84now …
- 2. Block Merkle root changedstored e6ac7640d2…15efa3now …
- 3. Block #4516 hash changedstored 218ee5a193…3af0bbnow …
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 186 records. Each step hashes the current value together with the sibling shown.
- leaf 9d48ddb103d005b504f28523ea2f97afd915543a585e1381a18fd7ac77dbac84
- 01 L 9b495d43fb69cc6a4ee081e5af2da86f00886b4fec0a915896aae9d79610f49d
- 02 R 39eb38b4605dfeaace6017107efc142966ce2ee91e5d24ae06013911f8e1a68c
- 03 L 1a2ebe96f6f1b02268117f0b9a0532b00c7f186df63fd739b444b1e5294a76ab
- 04 L 1a6193bc76ae7313f348bcfbb64cd84de992046fdb96dc1d9db802e842c9b7fb
- 05 R f13cd32ddedf6b1e0167e88cd2af08e36627b861d04da3c3978329ec5d832331
- 06 L 7bf6e3705536dc457945149064e8760fc6bfbdc03122745b665c6798363086e7
- 07 L 72209e7574eaa8e14d74f50bd8192e9b205addce1b128a8ad406e1c4f0460220
- 08 R 8949dca0d45a92dcb4fbe064c8724fab23b84cb314531e74856e226cf04858d1
- root e6ac7640d20400f4201b312fd69d4de4df4f7e23c6d8eedbd58409f8b215efa3