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
PROVINCE OF CATANDUANES Award a ₱871.3K contract to NQA CONSTRUCTION AND SUPPLYProvinces
Transaction hash:
d85de17c5d7369d44fd55e1b4ae3fb24bab04791e08388774efc4010ec24473e
Status:
Included and unchanged
Block:
#1,864 4,149 blocks after it
Position in block:
Transaction 178 of 206
Award day:
Sep 16, 2013 (13 yrs 1 mo ago)
Value:
₱871,261.73
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 #1,864 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)PROVINCE OF CATANDUANES awarded it to NQA CONSTRUCTION AND SUPPLY on 2013-09-16.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 Catanduanes 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 d85de17c5d…24473enow …
- 2. Block Merkle root changedstored f5c6db9f6a…921266now …
- 3. Block #1864 hash changedstored ad7fc8bcc7…d3e2a1now …
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 205 records. Each step hashes the current value together with the sibling shown.
- leaf d85de17c5d7369d44fd55e1b4ae3fb24bab04791e08388774efc4010ec24473e
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- 02 L af4be549ad367645b2cb8bcecd7c9d20144ed2a81f533b3c7c192d203d612535
- 03 R 64a64f46cccfb5ee546564fb69352171f79e012ec2e4ae4fa134e53570940dff
- 04 R c07447074c9e33a0b12142b4abc6cdf6a277356673941074d136a700b4014867
- 05 L f918dafd4d22ac11e61f473503fba5557833c534e4612d582960925df1dd1ee6
- 06 L 8366076ed99dcc4707bd1849da64d6623e6c8cb051f537c4f97bf88e8a115040
- 07 R c0d7ad04bf7738f36935e0495b260c08ae17f6e97846c1842229b79f0a99606e
- 08 L 3fc3ede5d6548089ef81215169a6926d5c04d096e53c4bb88651ef59ad52a8c7
- root f5c6db9f6a1dac6edbe2c91814552ca6b8cd8480824066abb7a0a68f49921266