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 - CAR Award a ₱11.0M contract to VALDEZ SURVEYING AND REALTY SERVICESNational agencies
Transaction hash:
5a68e1dc79da79e3de6a4dbbc860cec7e16e8acddfa759762243ab06d6037aa2
Status:
Included and unchanged
Block:
#3,624 2,389 blocks after it
Position in block:
Transaction 123 of 338
Award day:
Dec 18, 2018 (7 yrs 10 mo ago)
Value:
₱10,984,827.78
Project:
18CSP006 Conduct of Feasibility Study for Sagada
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 #3,624 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 - CAR awarded it to VALDEZ SURVEYING AND REALTY SERVICES on 2018-12-18.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 5a68e1dc79…037aa2now …
- 2. Block Merkle root changedstored b84a7d4892…48703anow …
- 3. Block #3624 hash changedstored 2b4005af53…3ce992now …
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 337 records. Each step hashes the current value together with the sibling shown.
- leaf 5a68e1dc79da79e3de6a4dbbc860cec7e16e8acddfa759762243ab06d6037aa2
- 01 L 58d2b8c1aeaed97486a67f4afaab8f114c1c48fb104581236aeff86f12b1a9f9
- 02 L cef4ab9c343c25060567f560c08f7043856901c54a947377f23b37f766af46c8
- 03 R 196487a1c88050b5cef43521b30af8dc4d45f383c045051d75c1e76960a2e13a
- 04 L e2af9f9065cfaf14b64593a3bd10182f095cc52b9c1b992586cc6f3db53a7f4d
- 05 L 0e4801ca4b5b117cf0801c15b094d752f2267c1752c344c7746a55806931d677
- 06 L ecd0b749d6b110be5fda58c5c9fe9781ef3d7c1fbcbcca8f39553c00e9aeda6c
- 07 L dc657e879141d3a37c0df95fac921959e792a1442c4e905443b9b933741fa0e6
- 08 R d201a7c3c713d41d586084b4d5b6467977ac39992508b3c7f04f119ad92801ab
- 09 R ca5a2adc158aa08d746679f650023e860b80c3412b5035aba8f587f9ecf3db48
- root b84a7d4892b8efd52d5fc4c9610effaf6fc06f4a37872bd9db57e9c79948703a