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
PROVINCE OF BULACAN Award a ₱6.3M contract to M.S. DE LARA CONSTRUCTION AND TRADINGProvinces
Transaction hash:
21f4eb9057a6cae4abe36a093b76ce6601e270b92a62c5c59fde60d8a451a7a1
Status:
Included and unchanged
Block:
#4,716 1,297 blocks after it
Position in block:
Transaction 94 of 753
Award day:
Feb 11, 2022 (4 yrs 9 mo ago)
From:
Value:
₱6,295,000.00
Project:
PEO-2022-060
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 #4,716 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)PROVINCE OF BULACAN awarded it to M.S. DE LARA CONSTRUCTION AND TRADING on 2022-02-11.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)COA's CY2024 audit of Bulacan gave a "qualified" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 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 21f4eb9057…51a7a1now …
- 2. Block Merkle root changedstored fbe1c9196d…0d13a7now …
- 3. Block #4716 hash changedstored 6b8373a591…9fdf8bnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 752 records. Each step hashes the current value together with the sibling shown.
- leaf 21f4eb9057a6cae4abe36a093b76ce6601e270b92a62c5c59fde60d8a451a7a1
- 01 R 221e7a86d5f9343a2bd9f995414c9141af83280180d20725d94bdc5ed19d1370
- 02 L 8c375b1c4724d76cf93a037d84ceb085c2667b6245cec418d4731fdadff6f7ec
- 03 L 0291b9e6519e5d2ab616d378ec4249f70485a88dec67224d1bbfba1bda2d1b34
- 04 L 179981b179be051d36b331e7739354ac838d3573935c0e4c51821476e47f91cd
- 05 L daab971323effdec48cf18b83dcddb8567d4a7ecaa3968372455deeae68306ec
- 06 R ded30736396d41c50a2847fd02f30384770cbd1200c5344c3b143c53ece04574
- 07 L ecb2459d6f2addd10af1b6bdcaa3f0f7254931457cf591a66014e3ec3d04f62b
- 08 R 8072b6012add9f0b9564c31d1d9682b407b928dcd50bb051a0bd4b7d0dfa6b25
- 09 R 1ad800661b7131920b7b1b9a56d304e865d9f4b0a3e8c1b66209da86ca892b3e
- 10 R e29f2c13803e7209177f531f1cea4590373454001c4409f92fcda94f34d7404f
- root fbe1c9196de85c9254afc7584ac7157fea68bd046759a390640a5c1c470d13a7