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 - LA UNION 2ND ED Award a ₱2.5M contract to E. E. MADAYAG CONSTRUCTIONNational agencies
Transaction hash:
8b0311a14b622862de2dd67ff618661b2f632364447721c231a25eca6d803319
Status:
Included and unchanged
Block:
#3,238 2,775 blocks after it
Position in block:
Transaction 150 of 278
Award day:
Nov 6, 2017 (9 yrs ago)
Value:
₱2,468,408.00
Project:
17AF0102
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 #3,238 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)DPWH lists the funding source as "Outside Infra - GAA 2017 DepEd BEFF", i.e. the FY2017 GAA. The exact UACS line is not given.Partly
- 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 - LA UNION 2ND ED awarded it to E. E. MADAYAG CONSTRUCTION on 2017-11-06.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 17AF0102: Completed, 100% physical progress.Found
- 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)DPWH marks the contract "Completed" (end 2018-02-25). The certificate itself is not published.Partly
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
2 of 8 documents found, 2 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 8b0311a14b…803319now …
- 2. Block Merkle root changedstored bb74345efa…8e88afnow …
- 3. Block #3238 hash changedstored 67d3d13bf9…03a517now …
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 277 records. Each step hashes the current value together with the sibling shown.
- leaf 8b0311a14b622862de2dd67ff618661b2f632364447721c231a25eca6d803319
- 01 R 8fa00dd61a2eedc6cad7442cf9f7b545c67eefd511ba84d662828df727853281
- 02 L 8df413e830b778c3d845a9395d6068573fff944af4d65df7519c122eca83cdf6
- 03 L f62bbc1dba36cfcbbc34275ce39082c91a23c1dad84e8dea581d1334acffc6b2
- 04 R 06810ece2a6fe0a60b993ff65cf6c8beab8a1ce9e6d12825222de19e38ec092a
- 05 L 8f55bd203eaf47354d1285c4084ff8a6698b6276504721fdb3812deb55c112aa
- 06 R d70f72bd3b0c5c71b64dfa11dc8c8a161640df98871f0795a0d2ef3300d1018d
- 07 R ff061a5f1c2d2fc91d6d26a7418644a2e8ad352590db5020d3531d9e47dd11af
- 08 L 4e362f3ef7d94bda94af00392787604c05034872c05cbe5ecf43f0454d68510e
- 09 R 0f01bb82030d6d270f634e1156389c7dc19c3a3bf96e60d5a9c225f87a869201
- root bb74345efa6835f1780f104af292f0fa5f72fa57ef6aaf1cade31e916f8e88af