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
LEGAZPI CITY WATER DISTRICT Award a ₱13.8M contract to M.J. APIN BUILDERSCities
Transaction hash:
4ea8bcece8ea8bda73470e31a5b5a1c5f1fcd38687be318640dbabd5a3b7d028
Status:
Included and unchanged
Block:
#2,784 3,229 blocks after it
Position in block:
Transaction 40 of 138
Award day:
Jul 5, 2016 (10 yrs 4 mo ago)
Value:
₱13,834,296.00
Project:
Supply and Installation of 12” dia. uPVC Transmiss
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 #2,784 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)LEGAZPI CITY WATER DISTRICT awarded it to M.J. APIN BUILDERS on 2016-07-05.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 City of Legazpi gave a "unmodified" 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 4ea8bcece8…b7d028now …
- 2. Block Merkle root changedstored c54db67f40…d2f289now …
- 3. Block #2784 hash changedstored 2210905c67…c1b8f1now …
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 137 records. Each step hashes the current value together with the sibling shown.
- leaf 4ea8bcece8ea8bda73470e31a5b5a1c5f1fcd38687be318640dbabd5a3b7d028
- 01 R 517decb0cb8b60f077e0095c82603af002df361df8f4baaad51816eb7aec6f4d
- 02 R 0558e88e3b946780a6f2819e87e551aaa236dbcd4b29c8d725e588272a02e658
- 03 R 2769c83e42e6d4a179b9a33b1d60141dee4a3f30a9d98d07703dbca77b24457c
- 04 L 204b1deaee04a5f8631494e62da8e889eee464808973ab1fe3a96cf67aa94b3f
- 05 R 60177a760ced8a94c11776252498f0e6ae83b91921674a6bf279f23d68cdb347
- 06 L 6ae0acabbadaa7e0bb707837108ffd00ac58da565d61873f7dd67ca282c04ed4
- 07 R a98a6b917cff882468318cf554d4aac403c2615ee2008d852c8c8e5970eeee16
- 08 R 622cd39b226075c42868051c5ecff586b433a02ef59f3810ca7d536a9853373c
- root c54db67f4064e147bdc5a65d6e4908e2ed536b165a1c17cb398bb2b558d2f289