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 - TARLAC DEO Award a ₱379.8K contract to O.M. SICANGCO CONSTRUCTION & STEEL WORKSNational agencies
Transaction hash:
00d16db34d69fc445ad528fc895c7e46f48aad366af54792ca0660add2589a30
Status:
Included and unchanged
Block:
#1,818 4,195 blocks after it
Position in block:
Transaction 0 of 100
Award day:
Jul 31, 2013 (13 yrs 3 mo ago)
Value:
₱379,800.01
Project:
MAINTENANCE, REPAIR AND REHABILITATION OF DOJ-RTC
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 #1,818 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 - TARLAC DEO awarded it to O.M. SICANGCO CONSTRUCTION & STEEL WORKS on 2013-07-31.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 00d16db34d…589a30now …
- 2. Block Merkle root changedstored 5fffaff866…02b0a1now …
- 3. Block #1818 hash changedstored 505a8cf1d7…4c6497now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 99 records. Each step hashes the current value together with the sibling shown.
- leaf 00d16db34d69fc445ad528fc895c7e46f48aad366af54792ca0660add2589a30
- 01 R 023aaa721dcb843a04a650e18d44fb3a21cf0954637d0e1513b271b9c6ef2db0
- 02 R 7ef032ed766d98ebd121aa54d723c061ec6ce5e8e616cc5eca19da03a1d039f6
- 03 R e51f2330290168cc70fbd37724a85be101545bd81e776c3378697defe52e22e1
- 04 R 88a53de02d1387e29f3d05f709852e7b8cc9347fba4853cabcd8191f86a2a290
- 05 R 1940758f7559fde87b811bdd676fa4f358cc439d40d8848eade544ab703d2203
- 06 R d9ede1f5b387b2fa7c04dac61804c225afecc24ab0e5c2f73be123dcb2c2a805
- 07 R 4215d16a3b56c847737c390ea5253ee48eb642a65d6cb20747a42cee1b6d14f2
- root 5fffaff86602c24872abbaa94c4baaaec1a0c9442b8bf54a412a256a3502b0a1