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 - REGION XI Award a ₱265.2M contract to ALGON ENGINEERING CONSTRUCTION CORPORATIONNational agencies
Transaction hash:
69b3e91c47908bd8e87342ab4b48c1af6f091bcf3e1f56af7e26e11994f55d66
Status:
Included and unchanged
Block:
#3,938 2,075 blocks after it
Position in block:
Transaction 114 of 265
Award day:
Nov 15, 2019 (6 yrs 11 mo ago)
Value:
₱265,178,217.30
Project:
18L00188 ROA, NOA, Contract & Notice to Proceed
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 #3,938 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)DPWH lists the funding source as "Regular Infra - GAA 2018 Augmentation", i.e. the FY2018 GAA. The exact UACS line is not given.Partly
- 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 - REGION XI awarded it to ALGON ENGINEERING CONSTRUCTION CORPORATION on 2019-11-15.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 18L00188: Completed, 100% physical progress.Found
- 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)DPWH marks the contract "Completed" (end 2021-05-29). The certificate itself is not published.Partly
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
2 of 8 documents found, 2 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 69b3e91c47…f55d66now …
- 2. Block Merkle root changedstored 463c20465b…909753now …
- 3. Block #3938 hash changedstored 1b8f6e8e3c…e36ff6now …
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 264 records. Each step hashes the current value together with the sibling shown.
- leaf 69b3e91c47908bd8e87342ab4b48c1af6f091bcf3e1f56af7e26e11994f55d66
- 01 R 69c93a23e7b15e43aa7da9ca15f6e2f8a4b1f6d11eddecfcbe30ca850b05e78e
- 02 L f532edf8fc40597b9121e555397cf767a3226071a029bd6223a21f4f81675a6c
- 03 R d53138652faaf8fc1720d2dcf2cc3197f52ab7525f95d0027fcadd8f1ac48090
- 04 R bdc591afc887e2f263f1c3f8394fd220f3ec882a69b7821109d16f7af6074464
- 05 L 231d98e23d226a2cea043f382a46dbf403b2c553be7d85e2b5d686612b4a09cd
- 06 L fd91936d852274b7c42a7f9c4c7314b1214dacd3a32149a49a1c968489e6dd6e
- 07 L cc071592ae05a1d0369182ccc7a21ebdb7344071e794b93b4ca9385a15b2fbb7
- 08 R b1a849c342e64b4c70594f3e23367417fa7b573af8b47b5066daff9dc9522068
- 09 R 269c0104dcebce680cc16034bad9a8f22865880f24fef82251311d3bdfbae79b
- root 463c20465b531dd8a578226c1c4557b7ceb75519a6dfc87afaa2e8f881909753