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
PHILIPPINE INSTITUTE OF VOLCANOLOGY AND SEISMOLOGY Award a ₱4.4M contract to HYL CONSTRUCTIONNational agencies
Transaction hash:
d992bcc8a7dbf6d6111c2b2da0e8d8ccaec40dda44ba115e07203e37d0c0c2a9
Status:
Included and unchanged
Block:
#5,745 268 blocks after it
Position in block:
Transaction 210 of 256
Award day:
Jan 17, 2025 (1 yr 9 mo ago)
Value:
₱4,380,499.20
Project:
11271861
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 #5,745 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)PHILIPPINE INSTITUTE OF VOLCANOLOGY AND SEISMOLOGY awarded it to HYL CONSTRUCTION on 2025-01-17.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)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 d992bcc8a7…c0c2a9now …
- 2. Block Merkle root changedstored 789aeeba52…003ff5now …
- 3. Block #5745 hash changedstored f4a2aed38b…8fdc7dnow …
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 255 records. Each step hashes the current value together with the sibling shown.
- leaf d992bcc8a7dbf6d6111c2b2da0e8d8ccaec40dda44ba115e07203e37d0c0c2a9
- 01 R db4f7ae87c4a38e685c677f4bfd2061e55364c69f5e2e484694a9c324713616a
- 02 L 8f1ce6701d8d54eb684c84c0599dc3186ca7170175426fb5bff3f1c7cf10c678
- 03 R ec9c2106ae2079e37304298840031e374e0f28d823259f9e43038b7c8a008349
- 04 R 7b9bcc2783876927850762fd8d3fd1392950cd1bade7484ac91803103f1f57fc
- 05 L 31acfd3cf9cbe16e8b7b310453a5c59510d86766b9498009a90b6b6ef3e2dceb
- 06 R 49f4c42a48abc46ba5ccef1307bdf4e26e56b0ce9e0b3183417f76cb560e59a9
- 07 L b33d4e356ccffd5db509dcaca0c0f8ec2eb81182712caa1c7ecbf0b14cd8b1e4
- 08 L c6d828c639c06f6bfc18ec597977888e39c4776ef79677eb5ed9e60a025dc283
- root 789aeeba5291168b96016ba9429975eb5f4cde52419b200f3e5197d9fd003ff5