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 QUEZON Award a ₱21.2M contract to R.T.Y. CONSTRUCTIONProvinces
Transaction hash:
f7cf5b3db4d32c3194f9d366355bd37bdd994e2a01d3cf9a9ac0fa6f82ae0ce3
Status:
Included and unchanged
Block:
#2,877 3,136 blocks after it
Position in block:
Transaction 129 of 136
Award day:
Oct 13, 2016 (10 yrs 1 mo ago)
From:
Value:
₱21,232,100.00
Project:
Reblocking of Calumpang-Tayabas Provincial Road
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 #2,877 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 QUEZON awarded it to R.T.Y. CONSTRUCTION on 2016-10-13.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 Quezon gave a "unmodified" 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 f7cf5b3db4…ae0ce3now …
- 2. Block Merkle root changedstored aba594f2cf…7d7762now …
- 3. Block #2877 hash changedstored 16dac0c71b…3d3a11now …
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 135 records. Each step hashes the current value together with the sibling shown.
- leaf f7cf5b3db4d32c3194f9d366355bd37bdd994e2a01d3cf9a9ac0fa6f82ae0ce3
- 01 L f79720e45944a44065e3b579dc615f2a5a0fb2e15c2ac4b6cca560b6c6c633d5
- 02 R daf8358bc91cbcc5ebecd904cdc9ffe82aa72d4f0928b8d364c46a956b9f1e64
- 03 R 079c9c84069732ae3111d9533a600a9991695c8fb6d41cd35f2d4e1a99b94086
- 04 R b39fe41f2ae75641d5960b4b72cec6cd74f365f703eadd5f48b17e2d00bed8ba
- 05 R 9a2515002c018af2ea080e9a4fd2ba9f924631b7f132558e64fc3ccffd323085
- 06 R d41da0fa817251287ef224f3db5fb9d706b65521bd40bb1682f3e4c632ee4fe6
- 07 R c36e49e55bedc5a5a761c86bea8f515524ef4b21c1bbf557178568c6d1b82325
- 08 L 054827c8f21a152daa577e82fdd1e467f8b1f447af0fa24b89f6f790d9d02e22
- root aba594f2cf79b91d9d5e572f88defeb7efc2d9f0311c92fe88013bc13d7d7762