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 ₱4.6M contract to META CONSTRUCTION - SANTIAGO CITYCities
Transaction hash:
7077f93db5d5eee375aa6fcfe8a31a0164e516709f1d0a32f3efe5444e035991
Status:
Included and unchanged
Block:
#1,696 4,317 blocks after it
Position in block:
Transaction 97 of 193
Award day:
Mar 6, 2013 (13 yrs 8 mo ago)
Value:
₱4,593,209.23
Project:
COMMUNITY DEVELOPMENT 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 #1,696 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 META CONSTRUCTION - SANTIAGO CITY on 2013-03-06.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 7077f93db5…035991now …
- 2. Block Merkle root changedstored 00ab3bd3ab…90c9danow …
- 3. Block #1696 hash changedstored 9b86e31376…dec1f2now …
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 192 records. Each step hashes the current value together with the sibling shown.
- leaf 7077f93db5d5eee375aa6fcfe8a31a0164e516709f1d0a32f3efe5444e035991
- 01 L 6f3324e5c7d2e1fae6b41617f0701a9db753fe829599fb5a5d9ce6497135e475
- 02 R cf044ff9ae58f28155d7a2086d7e028ac45e74e215e1789a5aca689d8c361f1e
- 03 R 6da93ea5725167f9c5ef164aeea7a60c0f28319c9dbc694b0ba147d7a8ef78b6
- 04 R c4f7f67a91a8befb739e84bef116992c2ed0d515e08243a096f1af91a5bf3ee2
- 05 R 7c04275fb883cf9b77af957c0c0c367183f232ff0b450ee934e5716687d764d4
- 06 L 4b62e9b0d5b76f1c6e763cf2f5f327f73f112b54027acfa742ad0d08c7614cb7
- 07 L e748cbea38876915be9e373be72380421b3cfa08cc019768cecbe613c5b6afff
- 08 R ff18ba0e218d8fd6f812fa70cf909bb711e1a74b0e5f4677774a3850aee7da5e
- root 00ab3bd3abf5ee63321c7e6751475b448efdfe1aed8251eb4eafe4108a90c9da