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 - ISABELA 2ND DEO Award a ₱2.6M contract to 4A'S CONSTRUCTIONNational agencies
Transaction hash:
175f2b36963c0bdad6cd6ecd9c4e0b98526da247b9abfa02d03a46b201ff223c
Status:
Included and unchanged
Block:
#2,809 3,204 blocks after it
Position in block:
Transaction 21 of 175
Award day:
Aug 1, 2016 (10 yrs 3 mo ago)
Value:
₱2,586,677.09
Project:
16BF0028 (Readvertisement)
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 #2,809 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 - ISABELA 2ND DEO awarded it to 4A'S CONSTRUCTION on 2016-08-01.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 175f2b3696…ff223cnow …
- 2. Block Merkle root changedstored 05230e03f9…ce7b3fnow …
- 3. Block #2809 hash changedstored db7d18c925…4c22e5now …
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 174 records. Each step hashes the current value together with the sibling shown.
- leaf 175f2b36963c0bdad6cd6ecd9c4e0b98526da247b9abfa02d03a46b201ff223c
- 01 L 175e476f456ab6318fb3cda4a1508b5600d130df6e00b4edf947e0f3a8d25c3b
- 02 R 4f6922cb997039b7589c3149bcceae776ebbafc4f9eb40c005aa2e3143dfb87b
- 03 L 342f8180e294dce8002402876e4cd5e7e412c91a5592efce650577f2680275ad
- 04 R aae335086a4b72a7673c9ee1375ca23826422155d805a2c0dc9dfad95e74a544
- 05 L 5c557e92df4b092174cba5083c1e74f713047faa9a0098f9956b06d6cb54a8b2
- 06 R 1a80bd4b2e61a80c124c31ac2b0a239fe617cf69000f1642676ff722233b247a
- 07 R abf8c16bab4e05daedb22052345cd036071e1272cca418631aa1e186cb20d8c4
- 08 R 47dc560da6229ee8a3607cf923e42d967313de7372f0f22e8c0b73326c1f1021
- root 05230e03f95d737c25bcd2764573c793d3c531999ecc98fc0d0377dce3ce7b3f