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 2ND D Award a ₱35.6M contract to AARCON BUILDERSNational agencies
Transaction hash:
77a9b2a8bd9d06f31a1edf0155f5522ac35cb8996dd8e033f1c4724554c76e3c
Status:
Included and unchanged
Block:
#5,410 603 blocks after it
Position in block:
Transaction 192 of 384
Award day:
Feb 7, 2024 (2 yrs 9 mo ago)
Value:
₱35,564,133.30
Project:
Asset Preservation Program-Preventive Maintenance
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 #5,410 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 2024 OO-1", i.e. the FY2024 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 - METRO MANILA 2ND D awarded it to AARCON BUILDERS on 2024-02-07.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 24OC0051: 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 2024-07-13). 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 77a9b2a8bd…c76e3cnow …
- 2. Block Merkle root changedstored ed60e6c722…57546dnow …
- 3. Block #5410 hash changedstored 425fcc301e…88ca0dnow …
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 383 records. Each step hashes the current value together with the sibling shown.
- leaf 77a9b2a8bd9d06f31a1edf0155f5522ac35cb8996dd8e033f1c4724554c76e3c
- 01 R 78da9b1ea995d907a94d56ae99e4ec21c82da800c1674db46626d6b5ee9602ea
- 02 R 1f8e8cc430544003951dac31ea4e14208a8730a3cf04b6bc9adca9c461636e53
- 03 R ce9af1e6090ed2f1b33a3628dfd3b4313c3dd13b6a5782535c3dc0b887dce9a8
- 04 R 2f925062e1cf939918e4330c6125cb16aa51eef931937c3ce1326dfbb5019ef1
- 05 R c9e533391f2b9649a140dd0256887324ab8e6e2906652a9fa31d505b2b3bf0b8
- 06 R 797e90518741a3bdd5ed66a7c4800f67557e96c1415f51fc2c13dbe86b361f8f
- 07 L a1d6650a9c779b81be2446e884ca8e25b98142779052793d85ae349ee52a22f8
- 08 L 0be982cd803e6612e8c2f75a7bdf39e45c488d3f2dd9e2c70d63fd1cbc297591
- 09 R d4ed9fcc28d2789700a40493c1bbc2249fd727419c4b0842f0de038be7526b1f
- root ed60e6c72210ddd12dfeb772ff8998057c678c3dcdbc11f3c18d7998b757546d