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
CITY OF PUERTO PRINCESA, PALAWAN Award a ₱264.4K contract to MELDAVIDSON TRADING & GENERAL MERCHANDISINGCities
Transaction hash:
37a91c868e7c19294e5ee96c344d89ae8524463c23c75f1995e0499b0d8aa7a6
Status:
Included and unchanged
Block:
#2,471 3,542 blocks after it
Position in block:
Transaction 52 of 274
Award day:
Jul 24, 2015 (11 yrs 3 mo ago)
Value:
₱264,400.00
Project:
100-2015-04-406 construction materials & supplies
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 #2,471 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)CITY OF PUERTO PRINCESA, PALAWAN awarded it to MELDAVIDSON TRADING & GENERAL MERCHANDISING on 2015-07-24.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 Puerto Princesa 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 37a91c868e…8aa7a6now …
- 2. Block Merkle root changedstored f7b55ae96b…1b7635now …
- 3. Block #2471 hash changedstored 3c0ec21c09…8ba3f7now …
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 273 records. Each step hashes the current value together with the sibling shown.
- leaf 37a91c868e7c19294e5ee96c344d89ae8524463c23c75f1995e0499b0d8aa7a6
- 01 R 38bfcb6baca46f9b1b054b6750e773b6a4d555a0eefbcfdd90557ed08095a06c
- 02 R 6e2ae3e2d433f060d83d2bfdc0b68d2abafe126cb66c569b70026119bec78eb1
- 03 L 41916ea4ac20f3f51252b7921c24bf1a4c6f7f20a81a6de2984e9d4d57eaaced
- 04 R 279b96cfdc3e19a790eaf8d5ef2b1bb879b5047225d37c2ed5a075f042a35e80
- 05 L 7917d4d32106775bca1e5f5333346ab5236215ab8d1bb4adda77f7bc35ae4863
- 06 L 71b64e2b9176615af815b03a53b158fbb5bc86ac0c829ddbec52ba58a226eb42
- 07 R a0f1f1ab97078dfdfa345cae95b1bab1c6ea0b78fa73f206592b9ee6af0b73c1
- 08 R a4d60c61358be82e767547e429bbf488c8b2015f06300d92b661b4a1acc5556f
- 09 R a5688b9f928931d74c960b60c9f91ec0b60f9b83f3c73088bddf808083ecd01e
- root f7b55ae96bf9bec06884096dfc556e17b340c7046129b067a2051e0b731b7635