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 RIZAL Award a ₱3.4M contract to TRANCOM ENGINEERING CONSTRUCTIONProvinces
Transaction hash:
8d6512936d52d1626dfd7587721f5e6419b7c0047c0235d0adc42e7224448c4f
Status:
Included and unchanged
Block:
#1,267 4,746 blocks after it
Position in block:
Transaction 33 of 57
Award day:
Oct 13, 2011 (15 yrs 1 mo ago)
From:
Value:
₱3,364,359.05
Project:
Const. of 17x30m Ynares Multi-Purpose Covered Court (Rafter Type) at Phase IV, Greenland Executive Village, Brgy. San Juan, Cainta, Rizal
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 #1,267 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 RIZAL awarded it to TRANCOM ENGINEERING CONSTRUCTION on 2011-10-13.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 Rizal gave a "not stated" 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 8d6512936d…448c4fnow …
- 2. Block Merkle root changedstored f0a515c709…2225cdnow …
- 3. Block #1267 hash changedstored 02fbc863e1…893669now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (6 steps)
How this one record is tied to the block's Merkle root, without needing the other 56 records. Each step hashes the current value together with the sibling shown.
- leaf 8d6512936d52d1626dfd7587721f5e6419b7c0047c0235d0adc42e7224448c4f
- 01 L 884760c40df0ebd6a9a7521c952c79400f6e17c42b49f1859155b6403672a75d
- 02 R 88d6aa9bcbdd445aa449ba4188ceb025ef6cee98bd5cf4c969ca4139e4d41aee
- 03 R e613326c064a3247bfacc356fefabecfe69e978f98f22696b419cde52d156c6b
- 04 R a6dfd02afe55d02dc00e9ba55690049e836594506613e91e36a616c66922877d
- 05 R 17aa412bef4f21656a4d5d9e453f786f559259c4bd68b26e29b1d3e73fa36452
- 06 L f6ae69ac040d580d6ee5dbd6aa2e44e7d56e5c481f9532cb7531f539cbd6e0fd
- root f0a515c7098b4187f794bb805aa477e047216054b4823dafb1dd05650a2225cd