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 ZAMBOANGA, ZAMBOANGA DEL SUR Award a ₱4.1M contract to HIGH RISER CONSTRUCTION & TRADINGCities
Transaction hash:
98fa2f6de77eaefcf57d4b701c9b7eb4b0556aa3bbaa3aad70f9580c5baf6735
Status:
Included and unchanged
Block:
#4,569 1,444 blocks after it
Position in block:
Transaction 144 of 237
Award day:
Sep 15, 2021 (5 yrs 1 mo ago)
Value:
₱4,053,907.89
Project:
Construction of Multi-Purpose Building at Sta. Mar
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 #4,569 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 ZAMBOANGA, ZAMBOANGA DEL SUR awarded it to HIGH RISER CONSTRUCTION & TRADING on 2021-09-15.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 98fa2f6de7…af6735now …
- 2. Block Merkle root changedstored c6dc276e3c…b1d1aanow …
- 3. Block #4569 hash changedstored 1afe45874b…3d7679now …
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 236 records. Each step hashes the current value together with the sibling shown.
- leaf 98fa2f6de77eaefcf57d4b701c9b7eb4b0556aa3bbaa3aad70f9580c5baf6735
- 01 R 99558d8f61286368cce61ae3c1cd2373493b3bca843dd8d2ff519a3a936ee408
- 02 R 7062e0e7fd6c31c2d8d7d6a47d438bfacc4ac8d5f84845fed333ffd6e0fa8b88
- 03 R 2115641b8e557bb531d595e6fd00012dc6d5f2309ef84eb94034bfe1a9956688
- 04 R a570185e39dc508bc3567354212bba097e96ea97e57969a88c9564d7e0af2595
- 05 L e5328162ceabe1efb46fedd05f89bbf58e86ee3f344e5ce53ceeebfeeb9fa1e6
- 06 R b838e37f82be1173871d2c92d112372f5982abc02242de28d0b59b0978319a4d
- 07 R 7d5bed66e0005a741e9ff552d7765aacec2573f35d0996016a8f445d229ee7f0
- 08 L 46c0335ad89d102e1de24ea7f60d2d4c2e40f415c8d69a65e9262fbc39275410
- root c6dc276e3c952411e6056a465300f462f9410c25a35a5c6e62fe7a40f6b1d1aa