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 CEBU Award a ₱2.0M contract to FIRST BUILDERS AND DEVELOPERSProvinces
Transaction hash:
95c40bf6477d22a7f4542b64095df7c790781c7a42ffca4b155365e7457b5f9b
Status:
Included and unchanged
Block:
#4,020 1,993 blocks after it
Position in block:
Transaction 225 of 383
Award day:
Feb 10, 2020 (6 yrs 9 mo ago)
From:
Value:
₱1,972,114.59
Project:
Construction of Level-III Waterworks System
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 #4,020 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 CEBU awarded it to FIRST BUILDERS AND DEVELOPERS on 2020-02-10.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 Cebu 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 95c40bf647…7b5f9bnow …
- 2. Block Merkle root changedstored 79aa5e5e52…b0b931now …
- 3. Block #4020 hash changedstored c4554eda14…0c8aebnow …
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 382 records. Each step hashes the current value together with the sibling shown.
- leaf 95c40bf6477d22a7f4542b64095df7c790781c7a42ffca4b155365e7457b5f9b
- 01 L 9570911783d6c99d32bfced708d9ddeabfea2f3bc6f541889b4a3b175204a934
- 02 R b24a61d98b3d190ce85225aea595f2d2d5c34111e4e36bebe21f05877e5d3924
- 03 R 1dc524ea258790873e390d72242f82c226733fdaaa900b896101ae080ccf39f0
- 04 R 73bbacfe57bda5ec1aa9ba53004f729efebf2a719d0360fe22ceae1b8234d412
- 05 R 3dce0482a7c792e0b6a3f0f7123a777d22c81c493c80d0ab7f927d7fc44bc7bc
- 06 L e67dd38f917f57acd785da4877ec75fbb93b61eff992d1ffb6b106308079cfec
- 07 L bcddd8c6fcdb4d29bb926e63a123e91990346dd96fbc6e6d7dbcdedcd988a5c1
- 08 L df39160ff39ddf00fb75e2e140310cde0ca0af55424e631eff0ec526bfd76d78
- 09 R edd5188453a3aaec9c63ad40700e69a5b26954e1736b715faf4566dcdbfb5a13
- root 79aa5e5e522d7f364c5405de45963e5dd980c4c90abffaf393216ad279b0b931