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
MUNICIPALITY OF PIAT, CAGAYAN Award a ₱398.7K contract to E. P. B. CONSTRUCTIONMunicipalities
Transaction hash:
4f894e7eff2a784d6b9cc9d092ef3e2e90d142b6fd2da1fab2249e309be236d1
Status:
Included and unchanged
Block:
#4,465 1,548 blocks after it
Position in block:
Transaction 74 of 255
Award day:
May 31, 2021 (5 yrs 5 mo ago)
Value:
₱398,653.12
Project:
CONCRETING OF ROAD WITH RC PIPE MAGUILLING
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 #4,465 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)MUNICIPALITY OF PIAT, CAGAYAN awarded it to E. P. B. CONSTRUCTION on 2021-05-31.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 Piat 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 4f894e7eff…e236d1now …
- 2. Block Merkle root changedstored e6c2433589…e0ed07now …
- 3. Block #4465 hash changedstored 6d8b0678ab…b65c5cnow …
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 254 records. Each step hashes the current value together with the sibling shown.
- leaf 4f894e7eff2a784d6b9cc9d092ef3e2e90d142b6fd2da1fab2249e309be236d1
- 01 R 50419259037835bc95cdacf4410b6246dc654d1f3aa26ae2fdcfb3298d81cbb2
- 02 L 9c5fa5f1eaae3f5b66fac5927ef4a34a980c8acbb2eed5b7cc2bde21cb80ffe1
- 03 R c24e492d4f573885537b8e44ffac8dbb85b2b10dcc136f2e0b01514f1981a25a
- 04 L c3cf20585a94df02613bfce83856a5a6c011b5749b89c579b4f3b247a6fbf9b5
- 05 R 8a78d341434b918abef4b36b80538c14fc94a902fbbe60c77cb01d39bec30e08
- 06 R 62cd19218da16119b733133d851c3ef922f6f9a6e78ba6fae80e9aa009e6495b
- 07 L 4d30c84f4e8c5b79a19e808aa1b2c13fd266e35f4096b7f52b590f52dd2435e9
- 08 R e3c93481064e289159899a08edcef3414d651f29fe31865846411b3db0f86204
- root e6c243358974e5fedcf7286dec8b81ac8c05edef9375616317e2af1c3be0ed07