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
METRO MANILA DEVELOPMENT AUTHORITY Award a ₱7.5M contract to HB CONSTRUCTIONNational agencies
Transaction hash:
a1bf30916d258c8bc7a9cc46467b3fa0aa8f104eff51c107b804e37b4e050e21
Status:
Included and unchanged
Block:
#3,779 2,234 blocks after it
Position in block:
Transaction 203 of 303
Award day:
Jun 3, 2019 (7 yrs 5 mo ago)
Value:
₱7,454,518.57
Project:
Construction Projects
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 #3,779 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)METRO MANILA DEVELOPMENT AUTHORITY awarded it to HB CONSTRUCTION on 2019-06-03.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 a1bf30916d…050e21now …
- 2. Block Merkle root changedstored fd8a41a631…bb787fnow …
- 3. Block #3779 hash changedstored d92557a172…619468now …
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 302 records. Each step hashes the current value together with the sibling shown.
- leaf a1bf30916d258c8bc7a9cc46467b3fa0aa8f104eff51c107b804e37b4e050e21
- 01 L a1ae5004d4bbea85534aa118bcbc3f8f126cdafdad6aa6af8634afad27838740
- 02 L d148781e98682b4f0f223a6c91f3c51a27c647eab8127a4ee1a349a55bcbb067
- 03 R 601bcc4eb614a16d5f3704ed79bd0d54ad0a729c7edbc59ff020b9a664ed7763
- 04 L 16894faa001d64f69cb88b46260ee7ed80f7c70f857d9f92b87337e8829b96a2
- 05 R f8fe4a7eb1abd529dd27757a95f6652ad4bd6322e83a892d2ea11927de216e89
- 06 R 7fac313b275594758fc973ad3d3e480a96f92df60814896e02334b108d896471
- 07 L 5fcc3aa27a7abcc2d96a7e673709fe719370bd554d4c13e32c8e5f77ff20936d
- 08 L 6fbef155dbc778e237f0cf8ec6935c5f72bd4cc7ec57dc18dcb64ecbbf617eb7
- 09 R b06d26d56c2eda09375592e8c9c73ef51402375c3057dbd3624b9c3d09c61a50
- root fd8a41a631f325406f54d93c886979ac09e315f0e58f801fb068bf4190bb787f