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 - QUEZON CITY 1ST ED Award a ₱4.7M contract to E.P. DE GUZMAN CONSULTING ENGINEER CONTRACTORNational agencies
Transaction hash:
7b1f38503ce9949eb7b2e733211ed57103620b821990bff0243df105385123e1
Status:
Included and unchanged
Block:
#2,985 3,028 blocks after it
Position in block:
Transaction 117 of 237
Award day:
Feb 8, 2017 (9 yrs 9 mo ago)
Value:
₱4,701,481.21
Project:
16-OF0151 Rehabilitation of Valerina Street, Brgy.
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 #2,985 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 - QUEZON CITY 1ST ED awarded it to E.P. DE GUZMAN CONSULTING ENGINEER CONTRACTOR on 2017-02-08.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 7b1f38503c…5123e1now …
- 2. Block Merkle root changedstored a700a375cb…2b9c2anow …
- 3. Block #2985 hash changedstored 954ea3c220…71f8f3now …
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 236 records. Each step hashes the current value together with the sibling shown.
- leaf 7b1f38503ce9949eb7b2e733211ed57103620b821990bff0243df105385123e1
- 01 L 79f7fbb4aea91eed3b12a3e3b8698f89510e9845cd5deb310939aadde1e9a1ca
- 02 R 1fe883c4befe25f8d66bb8ee2ea6f6fe81fa0e67102843b4b2d567b03307a88d
- 03 L c502d830793e41ef05e34ff6d3e462def626f65bc39890c0a70070bc147887d2
- 04 R 2c87bf8cbf9beb7c216c6b12881762f514ae48a4e0593769deadcc65067e52c0
- 05 L 2c15b89641eba89064fac317c15be084d17d3889b108f32410d3a56cbc720cbb
- 06 L a667d4f19f969513dd572f53cd4d86424247d9e79b93538d4a18ba96aefe5fa2
- 07 L d75f0001b2c869927943afbcaa4640534ebc93a1ac2502a12d720aac6d9a599e
- 08 R d9e7d42088f260c245ebb6a940a254ae1d7e8f1bbb87e9556f8e0613756d3895
- root a700a375cbf9f8127d1acf58d0869bf98f3fc42834136915eb3de1dfb72b9c2a