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 - REGION X Award a ₱129.9M contract to GRACE CONSTRUCTION CORPORATIONNational agencies
Transaction hash:
052eb6be9d769f3fece3f693df94001cc03f769f46f0cb6b3d2d51a5bde1dad3
Status:
Included and unchanged
Block:
#2,606 3,407 blocks after it
Position in block:
Transaction 1 of 155
Award day:
Dec 15, 2015 (10 yrs 10 mo ago)
Value:
₱129,936,469.77
Project:
14K00034
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 #2,606 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 - REGION X awarded it to GRACE CONSTRUCTION CORPORATION on 2015-12-15.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 052eb6be9d…e1dad3now …
- 2. Block Merkle root changedstored b484a7fca1…0392f1now …
- 3. Block #2606 hash changedstored dcc3b5a198…d6e62fnow …
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 154 records. Each step hashes the current value together with the sibling shown.
- leaf 052eb6be9d769f3fece3f693df94001cc03f769f46f0cb6b3d2d51a5bde1dad3
- 01 L 0374cb69c834adc09729d89281bb12ed77839cf791d78c30e487f7ccb74590ef
- 02 R c27243abdcb1d5b35110f3d36e5a1eb609e21072fe1f6c39c72807f9cc36348f
- 03 R ad32c74a13cfe6e973a5c9233074e39a186396a1fc852784616dfbe8e7fe78db
- 04 R d7be06f30a7d73a09fc65a4da056f5537911cdb345907d9f6129a241c7d9eb49
- 05 R 304ad0019bcfe204844e00b1a1d0f2760a73c41dd32b8253f05119f9beb4d601
- 06 R 78851af8baafbbff08559359d978b633e840da3e1920e25fa61c60649307821e
- 07 R 560aac3261c3eeac7f3a6a0dc8eda3dabbd3a6cd099619596e5b552a150e539e
- 08 R 39e39ca23a0f68ae4d1df2d2f0f96db30e2d00e6e8adc1f21a51ce3996e59d33
- root b484a7fca164dbec56f648cdf681c42b0faf093593ef3db043c586aa840392f1