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 OLONGAPO, ZAMBALES Award a ₱985.2K contract to CHS CONSTRUCTION AND SUPPLYCities
Transaction hash:
4461b16aa218629a1ff26aeec9b5d508ca4b3aad24262c1584d78580f83b2f71
Status:
Included and unchanged
Block:
#3,368 2,645 blocks after it
Position in block:
Transaction 93 of 316
Award day:
Mar 21, 2018 (8 yrs 7 mo ago)
Value:
₱985,160.95
Project:
Proposed Yutang Bridge (Lawin Bridge 2)
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 #3,368 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 OLONGAPO, ZAMBALES awarded it to CHS CONSTRUCTION AND SUPPLY on 2018-03-21.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 Olongapo 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 4461b16aa2…3b2f71now …
- 2. Block Merkle root changedstored d58ffc6f97…182c5bnow …
- 3. Block #3368 hash changedstored e6ca4732f7…c1192bnow …
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 315 records. Each step hashes the current value together with the sibling shown.
- leaf 4461b16aa218629a1ff26aeec9b5d508ca4b3aad24262c1584d78580f83b2f71
- 01 L 4438222ff1eaf97b40b96735cff4754d3d1ac99eacbc8f34aa624b16ee88b5be
- 02 R 80bd9d8d45b3e94047fb6fba138551a021998fe2fe9e94cec941884546bdf781
- 03 L 5e54225efba1f0f2bde958879529305944cce8ab7a8649a76b584940d3ef966c
- 04 L 5d1ac779317bdd01724e67eb4ff059c5b776966a998f1e2523608b7e7c090062
- 05 L c0a1639d2aa1aca5049c9e1d80704e598412a605aea7baef101fc0dec8d2c2bc
- 06 R 73c9bfa6336d3ab68e55fa5cddc903436f56921c3eea893ee486b6dcd7c4b5e5
- 07 L bfd89c9cb1217e602652c3fc417b8a3105e9f32593a4f6dca41c897e10bd64bc
- 08 R e5161e4bead6cba93cc8626f0b3915b08a18f1e57a08b756aa8aa73f8753d417
- 09 R 0c65472faec2f442d40136d1046ecec279e50cf9e0811e3259afdcfa39944079
- root d58ffc6f9741fda99b0769362f8e928e68b764a1d122e6f80564eb3601182c5b