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 - TARLAC DEO Award a ₱1.6M contract to F.A. ASPRER CONSTRUCTIONNational agencies
Transaction hash:
bb495da281bfa91bb93a3a2f2a9f4cbe9848cd26cf542832b9f14c0029170e55
Status:
Included and unchanged
Block:
#1,702 4,311 blocks after it
Position in block:
Transaction 129 of 192
Award day:
Mar 13, 2013 (13 yrs 8 mo ago)
Value:
₱1,560,002.82
Project:
CONST. OF MULTI-PURPOSE BUILDING, BRGY AYSON, GERO
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 #1,702 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 - TARLAC DEO awarded it to F.A. ASPRER CONSTRUCTION on 2013-03-13.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)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 bb495da281…170e55now …
- 2. Block Merkle root changedstored 0655ee1aa9…fc674dnow …
- 3. Block #1702 hash changedstored 0c8e7bd5bc…414a77now …
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 191 records. Each step hashes the current value together with the sibling shown.
- leaf bb495da281bfa91bb93a3a2f2a9f4cbe9848cd26cf542832b9f14c0029170e55
- 01 L bacc2a184395f07ecc6a4b0a204577e7965145c891cf5e20289d5e38213c5a3f
- 02 R 00182b9027511fe21f7ee133b45e021dbc63ae79af49eb94cc3ab893ebf4e68f
- 03 R 432fb55a0cf3d14bc4db304db180aff6c21e9c1d8ba62e674f84613373e1ed60
- 04 R 8bdbe43b53cf92e2ef4c9ce86397367748fe682966cf7ead4c9886ce588a7b2b
- 05 R 1dc5637137fe9bdced5f4f1e594016b024f4108d1af8520b7bddd401a6868d0c
- 06 R c8d83cb5d5782112af240fd8a188845e10a375ceaf899b1bccc033747c9daa71
- 07 R 0ce1d86bd1ef7cb936a747a7871b41cb77d57b8a412e6a3643e3441edb06bb76
- 08 L 9255fc4f12831afa17bb0c6422a50d02e000f66152833ca6b2f77842c4f1af8f
- root 0655ee1aa96ffbea1282fce894e88834764a74b2ac8b849d6bc3789cbffc674d