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
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CATANDUANES ED Award a ₱8.7M contract to TRI-DOM TRADING AND CONSTRUCTIONNational agencies
Transaction hash:
bdb8f54a46da2a96e6afef800b9fb0bfc472a8969768316b3c3e2b0bc825c1da
Status:
Included and unchanged
Block:
#2,488 3,525 blocks after it
Position in block:
Transaction 187 of 266
Award day:
Aug 12, 2015 (11 yrs 3 mo ago)
Value:
₱8,684,072.49
Project:
15FH0028
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 #2,488 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)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CATANDUANES ED awarded it to TRI-DOM TRADING AND CONSTRUCTION on 2015-08-12.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 bdb8f54a46…25c1danow …
- 2. Block Merkle root changedstored 8dad80e359…4c9c97now …
- 3. Block #2488 hash changedstored d7cb69cb2d…d3ecaanow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 265 records. Each step hashes the current value together with the sibling shown.
- leaf bdb8f54a46da2a96e6afef800b9fb0bfc472a8969768316b3c3e2b0bc825c1da
- 01 L bc8a0cae033b26522e20ce4951ff299a42702b2ecac59f84913938bc7bdba176
- 02 L 0aa6e821b4cff19a04cc54f84c00de93143a14874d6c054573cdae20e8c818ae
- 03 R 1843ebb96de213dc881eb17430284230b34db5f5da06e9c6412d0ee6c1659bf8
- 04 L d22011aa572f1315d907b2731b42a5bd77e0522fbdbfc34cdbe6385c265df07e
- 05 L 36e32f12bdeb13b3714b93e2013b80c424ad523a8054b617779f6e8a1db88e37
- 06 L a464de4f7260833c4347943bcfea6ce41e43cf607a51db3c18f73993bfdfb957
- 07 R bd37670a81c97da9fc606fdc96bcfbee9eae7ef4313ccf11b7e62a4f3c026295
- 08 L 0117a1802b3acb7b0263f893ac018ae861d87d5747c16cd5cd0b0f37fae37fa9
- 09 R 916267d402081cf85b5ba9033b5d810cf0e2215451c892262ba0f3f8614c306e
- root 8dad80e3596b381defcb65a56a26f7f37da3b45decbb4d31f7e542b5264c9c97