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 SURIGAO, SURIGAO DEL NORTE Award a ₱75.2M contract to CARTESIAN BUILDERSCities
Transaction hash:
3c3d94ecc93fd0f313b3a8d7b3869f5fa51a5cc6135e39d0122c387076792ae7
Status:
Included and unchanged
Block:
#4,229 1,784 blocks after it
Position in block:
Transaction 34 of 135
Award day:
Sep 22, 2020 (6 yrs 1 mo ago)
Value:
₱75,199,854.81
Project:
Const. of 3-Storey City Hall Annex Building
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 #4,229 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 SURIGAO, SURIGAO DEL NORTE awarded it to CARTESIAN BUILDERS on 2020-09-22.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 Surigao 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 3c3d94ecc9…792ae7now …
- 2. Block Merkle root changedstored 4cfce1acc3…fd7f25now …
- 3. Block #4229 hash changedstored 0ba968df8a…cec209now …
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 134 records. Each step hashes the current value together with the sibling shown.
- leaf 3c3d94ecc93fd0f313b3a8d7b3869f5fa51a5cc6135e39d0122c387076792ae7
- 01 R 3e5fd11e36bb227198defa6bc38af4dcfa93761e99c2829965adc0e22c992815
- 02 L e9539759dc0babdf8b059341f279c1caeaa50db217d8ae6e3cd419b9358cab26
- 03 R e7b5948198183cd81fc128c61c45cadc8986019541f79bc5ac5b2facb2e5b59c
- 04 R 5c53ac8ad02d8ac65534b240d6266b3bb56d54d0112eb23e5b27afb6893481fb
- 05 R 36d36b25cb81d24c4be3d36394e3a46ecf852e31b3d4dca7342fcfeb481b290f
- 06 L b7f09f6102d64959add07c9537d540af1e550ca858412402fc0e1d7047f73991
- 07 R 2c7f6851f04cfba6c9c9c99a322885397d0e953ae2c2b6ed2f9b33d69bb8528c
- 08 R da8705c5da09587c1d6e041817556ffb20c01cb11a576b6302425971e8ebf39c
- root 4cfce1acc3e19babe7419736b130311e4b11f5931ccf8cca3a3d6b9e3dfd7f25