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 SANTIAGO, ISABELA Award a ₱5.8M contract to G.B. CARLOS CONSTRUCTIONCities
Transaction hash:
5855376d2ee8e9b9edb7204eb1123864ed9ac6871dc9911dfb6a7f026f3b2709
Status:
Included and unchanged
Block:
#4,693 1,320 blocks after it
Position in block:
Transaction 52 of 139
Award day:
Jan 18, 2022 (4 yrs 9 mo ago)
Value:
₱5,848,646.92
Project:
Construction Projects
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 #4,693 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 SANTIAGO, ISABELA awarded it to G.B. CARLOS CONSTRUCTION on 2022-01-18.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 Santiago 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 5855376d2e…3b2709now …
- 2. Block Merkle root changedstored 7bd880af65…850b4enow …
- 3. Block #4693 hash changedstored 1bec33b429…413a6bnow …
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 138 records. Each step hashes the current value together with the sibling shown.
- leaf 5855376d2ee8e9b9edb7204eb1123864ed9ac6871dc9911dfb6a7f026f3b2709
- 01 R 58561246a80a0607580cf883cf749e3112e3e41e63654ae89b444a603576dcc0
- 02 R b01cc1717db5d80b704084709d6ace769f70f57b2cada2122be5cbec334cba79
- 03 L 690a22341d143aacfdd3ae39f7b8ef1a7fcaa80fc0d277fe2064d5cdfff3989a
- 04 R 0cd6b7e9f8249389f718077a38bca0906238ccf2e50209992c3756b45b3bbc38
- 05 L 38b86db28e461f0e088345d1c228085f6705f00adda8be5833e4e7fafef0bb07
- 06 L 7b96a57c7f031761a2ac1f3d9b7f0beb4160fafce1ce33c43baa8087b9114173
- 07 R 24ae775032210f3f47b7cb7311e452a5deae510862035a1d5e1d5dbc23244128
- 08 R 8fbb64083d1ae482c5da480f7e06b1112f0f2ad4eef1d795af258efdb56e1015
- root 7bd880af659514eec34c5acd35b1c3d7003ee5ba3fd31c10d1f1d491ba850b4e