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
ZAMBOANGA CITY MEDICAL CENTER Award a ₱1.2M contract to MCGABRIEL CONSTRUCTIONCities
Transaction hash:
273b5b0332f7962bc35501ac6f4e1030200cae8e106c204fb7a2e403da3382ff
Status:
Included and unchanged
Block:
#2,854 3,159 blocks after it
Position in block:
Transaction 28 of 175
Award day:
Sep 19, 2016 (10 yrs 1 mo ago)
Value:
₱1,169,000.00
Project:
Construction
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 #2,854 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)ZAMBOANGA CITY MEDICAL CENTER awarded it to MCGABRIEL CONSTRUCTION on 2016-09-19.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 Zamboanga 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 273b5b0332…3382ffnow …
- 2. Block Merkle root changedstored 99c96d4ab5…4772c0now …
- 3. Block #2854 hash changedstored 2f1229dfb7…b40603now …
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 174 records. Each step hashes the current value together with the sibling shown.
- leaf 273b5b0332f7962bc35501ac6f4e1030200cae8e106c204fb7a2e403da3382ff
- 01 R 27757731d6fcfcebc9d02610a274744455d8d7731669c8ffeac93b79b0388313
- 02 R 5f12bcf8303623f706da95a2260770c132259dfa597fbe6a32bcafee6c879249
- 03 L 2c12284a84151af9a0499c2e81fc5a85bf48f9445ef088960ee8867b1bc2c026
- 04 L 00a518aed737776bf2b2a881a0c72ba9c4fb3b1eea4cf0135b06e5d6b4af4914
- 05 L cba2786eecebc2fe5b6b2fa499394e301de2fbd8def39edb0c8d287c86375698
- 06 R 83b713c427edec760bb0d195ca90b018c3a926834b707480e095bc03bbf2930b
- 07 R cc19c27b355b532d9ffa6636148ba85d45c13f58d2b897a855ed398a1f75a076
- 08 R 3078288dc9a948574cdbb1c593c66c420e24ae6ee9575b129e85a170c9949dc1
- root 99c96d4ab557fd591ceb1061e9dc1ff242d3947c185f8cf4aafd70acd54772c0