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 - SURIGAO DEL SUR 1S Award a ₱29.6M contract to A.T. DUMLAO CONSTRUCTION, INC.National agencies
Transaction hash:
ee42dbb648ff03dd33d2466df7a680682d34aab354ac47f2b7e331833779c112
Status:
Included and unchanged
Block:
#4,983 1,030 blocks after it
Position in block:
Transaction 403 of 438
Award day:
Nov 21, 2022 (3 yrs 11 mo ago)
Value:
₱29,551,500.00
Project:
22NH0103
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 #4,983 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 - SURIGAO DEL SUR 1S awarded it to A.T. DUMLAO CONSTRUCTION, INC. on 2022-11-21.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 ee42dbb648…79c112now …
- 2. Block Merkle root changedstored c87b26afa7…edc979now …
- 3. Block #4983 hash changedstored 9d5d0c2b69…1bf680now …
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 437 records. Each step hashes the current value together with the sibling shown.
- leaf ee42dbb648ff03dd33d2466df7a680682d34aab354ac47f2b7e331833779c112
- 01 L eda1328c8978d6be9af6e79cc10cb0b3270d2b6483a7cebbae947fdd890eb1b1
- 02 L 065824d2ac2b752e258e19478be9be4d2df0f8d1848ecdfbe71293eefd6b4016
- 03 R 17a3f96cc0c2dd119efe66bd0e1e20cc7a3c3c21dffd1190e04113efaffedd3c
- 04 R 96a459b18487722c62c52e63a89f94f38cf33af7f729c998070e30ff806700c5
- 05 L 5b55c8b73ab41d6879c22b20e42386d6134a536e7e71c26ad93cae14594c0d8f
- 06 R ed18a0f8b659c0743ce56f198655af17dc94edf709ded376b04cfac9fa2269d8
- 07 R fc79eb50aacdaf13a3b228f43e806713dbaa80af14f085d913ef48d6c5ff4a8e
- 08 L d497f94717cd3358bdb2117878481cecba664309aae0ec7d9fb486692ba90d22
- 09 L 8dd0539ceaa9a1ac8a7f0042cc318efed35171af8ab5f0b2e10412424b3c4eb1
- root c87b26afa76d85f6fcb282de93082539eeff5ef8f4a52180dc670e75a5edc979