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 - MASBATE 1ST DEO Award a ₱4.9M contract to L BROS CONSTRUCTION AND SUPPLYNational agencies
Transaction hash:
f21d2e4834232f8feffa877398308d9f752c2298220c45ffcc08e55905bd6d57
Status:
Included and unchanged
Block:
#4,035 1,978 blocks after it
Position in block:
Transaction 253 of 267
Award day:
Feb 26, 2020 (6 yrs 8 mo ago)
Value:
₱4,885,082.10
Project:
20FM0039
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 #4,035 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 - MASBATE 1ST DEO awarded it to L BROS CONSTRUCTION AND SUPPLY on 2020-02-26.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 f21d2e4834…bd6d57now …
- 2. Block Merkle root changedstored 33d48f8888…15b4d0now …
- 3. Block #4035 hash changedstored dcc6ae5734…6bf225now …
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 266 records. Each step hashes the current value together with the sibling shown.
- leaf f21d2e4834232f8feffa877398308d9f752c2298220c45ffcc08e55905bd6d57
- 01 L f111bedced26705816a283f1c12e836c3ac9aba1053f246296245ea8d2415e25
- 02 R 0cd2ca3348defcebd09bbbbc3410c4a9819565d1e0e50f35033a3bcf483269b4
- 03 L 29e144e48d09a4ffed356ac133744b2fad03119b6455dca7c642dc32888ca54e
- 04 L d4d7e37db92e155f119e1f91aa1707baf42507005684eef0382d6cfa54095ce9
- 05 L 756ce5d4216c16cb99ec61b83e4839d06fd13bc078fea31d7076de09517ccf03
- 06 L e33c098395b704a912df8adeec0389be68bc1aaea3d3145b14360661cfca566c
- 07 L 5d20c7251deb3ddaea87f97b2f72f95ed286f0d9be5472316293c4b9430d207f
- 08 L 2434dc5e638f380096d35bea42a12294e5681eba0b5e9166f424ab1d8c408987
- 09 R a8addfabb58e06a1a0f9a4a86b1d725a60d1ed128866e3a594405e60a91da806
- root 33d48f88882a042b4046012fa9d1c4ab01899430c39580c973fb437cef15b4d0