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 - BULACAN 2ND DEO Award a ₱1.4M contract to SANTIAGO-GALVAN CONSTRUCTIONNational agencies
Transaction hash:
75e1443db7d3c03ceacf4e8208b6297ca416c316c4ad5af95acdd8d0c6a1183c
Status:
Included and unchanged
Block:
#3,395 2,618 blocks after it
Position in block:
Transaction 92 of 180
Award day:
Apr 19, 2018 (8 yrs 6 mo ago)
Value:
₱1,440,010.00
Project:
18CD0202 Rehab./Improvement of Road
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 #3,395 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 LP", 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 - BULACAN 2ND DEO awarded it to SANTIAGO-GALVAN CONSTRUCTION on 2018-04-19.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 18CD0202: 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 2018-05-28). 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 75e1443db7…a1183cnow …
- 2. Block Merkle root changedstored 181205b9a4…cbeb28now …
- 3. Block #3395 hash changedstored 731d4ecb54…cf18e1now …
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 179 records. Each step hashes the current value together with the sibling shown.
- leaf 75e1443db7d3c03ceacf4e8208b6297ca416c316c4ad5af95acdd8d0c6a1183c
- 01 R 75eb16acdda7794f9dbcdb58e137e0916a696f85ac2e1aec7fc9bb1cb4de2117
- 02 R c12b7c08ce9fadbcc8982e3591f70a013fda3dbb72a470dd531edfa319157b4c
- 03 L 2305c05e00ad0d227da84606e859b8207812bf7ab9226ee59c68af7549024807
- 04 L c80107500af86eda42cd2cc6bfa9562e57e4dfc3b959d99a0ee69048537c4152
- 05 L 6c5792f96eb333a2d81b0f50fbd95044b4313d5554b53747750fb2c795f8912d
- 06 R 3740d27954a6070afb5aa3a6cd015ea118c4dc7d8bdaffe3f2054a40a71c89e8
- 07 L 0d8c984c9a06adc7abc1e28f2124a581bf00c660cddc01b5444c552e7fa29517
- 08 R 6ddd27d20cf2d5c7d1af8510543850727e5191f71e9f53c6ddaf32d514bdd92b
- root 181205b9a4bf32bde5f5f3b75e71bad1ff440fae2ca5417b3494591364cbeb28