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 - SORSOGON 2ND DEO Award a ₱28.9M contract to AREMAR CONSTRUCTION CORPORATIONNational agencies
Transaction hash:
e33eccc3125428b34e1eb3cea7a63f7def9a7be76d997cc8dd279482b92c8af7
Status:
Included and unchanged
Block:
#5,958 55 blocks after it
Position in block:
Transaction 398 of 440
Award day:
Sep 7, 2025 (1 yr 2 mo ago)
Value:
₱28,924,104.72
Project:
25FL0099-Rehabilitation of Flood Control Structure
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 #5,958 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 - SORSOGON 2ND DEO awarded it to AREMAR CONSTRUCTION CORPORATION on 2025-09-07.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 e33eccc312…2c8af7now …
- 2. Block Merkle root changedstored 2362c4d16f…08b446now …
- 3. Block #5958 hash changedstored a99c3c5cd7…49cb0cnow …
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 439 records. Each step hashes the current value together with the sibling shown.
- leaf e33eccc3125428b34e1eb3cea7a63f7def9a7be76d997cc8dd279482b92c8af7
- 01 R e3422193c2a9b106a355347e13f86d8115fd824beab3e6e30e6dc48d941db14b
- 02 L 1c718437062b6488678293d33b46027cbe0fa3b31487857370794d443beb9cc4
- 03 L 582ea6523b88937f00cec4e28c5e304b31565f30fabc7e3276e2497888c6a77a
- 04 L c7d359e55f3a8a91b9fe7d28cd4b14ddb64e5ae3c33de8e85c37bdd3be6f48c4
- 05 R 2920310565028f36584d8d98efb6d827174e93a1c70a89184d3effc0140d2627
- 06 R ad6fc2b228c54fe4ed6f4db95c762769d058963a008ba32f85228bef08ef204d
- 07 R ae7b6987218ec34945b3df02812d94747f16d8d85fd36d4e2302f4315201c12f
- 08 L 80137ce2895d8e128057bce9c39cc08148749c51a94655a0adaf5c0e5d6c42a4
- 09 L ec353cd528e94f10fcf5793e47919de715b0c19ea06c9367a36fb8b18a02af5c
- root 2362c4d16f71fadc632e7da36ef4da314c725bef739105ee5501047b4b08b446