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 VII Award a ₱63.0M contract to P.B. OBIAL CONSTRUCTIONNational agencies
Transaction hash:
67dd3ee2dde3833b2beb6db847003d64325187975e0d234b877fb88b706c4204
Status:
Included and unchanged
Block:
#828 5,185 blocks after it
Position in block:
Transaction 143 of 343
Award day:
Mar 22, 2010 (16 yrs 7 mo ago)
Value:
₱62,983,657.68
Project:
010H00019 - Widening of Arellano Blvd. from Legaspi Ext. to T.Padilla St., including Reconstruction of Arellano-Tejero Bridge and Widening of Arellano-Palma Bridges, Cebu City
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 #828 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 - REGION VII awarded it to P.B. OBIAL CONSTRUCTION on 2010-03-22.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 67dd3ee2dd…6c4204now …
- 2. Block Merkle root changedstored ddd2936bb8…553beanow …
- 3. Block #828 hash changedstored 50b18ed8d7…4ffc6fnow …
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 342 records. Each step hashes the current value together with the sibling shown.
- leaf 67dd3ee2dde3833b2beb6db847003d64325187975e0d234b877fb88b706c4204
- 01 L 6724026bd02701648571185780928b04399d3a6a38daac07ed76e5becce83038
- 02 L 34ea4e3dc0cb9dcf300ed2b62185f47ec3e7bfa9af690fe9e3ce4d0651fa19db
- 03 L ea7779e5bba00e266f674a9c4554dffca9ec9a67604706442c0811fcb2d21a1a
- 04 L e253d306dce9d581457aa7b775b641cd33198913c06533928c2bb736b9a98efe
- 05 R b1cd3f5d1a8b941aa27e31792024989b8d80e684c828633697ee3dd32d4d8e17
- 06 R b833fa107847e91e897377f653af84d0e4f765a8e9926eaa1038b55f389104bd
- 07 R b5ceed790005d4cc2e028ff751c8d8d97145df833443acd0a4b025874dfe359a
- 08 L d80440708e2d4f2765fa2fe3c03af90fe98576331280eed29d88f39325d85185
- 09 R 221e68ff19a8b4e50788e8d490c8a20bc5dc6c9d8ade91e93500e886514f4d86
- root ddd2936bb81fc9f3eae1ea92c1aab647fa6e1ba989e02021ff38c99251553bea