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 - NEGROS ORIENTAL 1S Award a ₱3.4M contract to M.R. VARGAS CONSTRUCTIONNational agencies
Transaction hash:
bcd542a044d1a7995cd4ffc7e190877028668b64125c97444af2c88d68df5d26
Status:
Included and unchanged
Block:
#3,280 2,733 blocks after it
Position in block:
Transaction 388 of 510
Award day:
Dec 20, 2017 (8 yrs 10 mo ago)
Value:
₱3,370,961.12
Project:
Construction Project
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 #3,280 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 - NEGROS ORIENTAL 1S awarded it to M.R. VARGAS CONSTRUCTION on 2017-12-20.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 bcd542a044…df5d26now …
- 2. Block Merkle root changedstored 38291dde57…7c4c22now …
- 3. Block #3280 hash changedstored a1fb401247…1fedcfnow …
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 509 records. Each step hashes the current value together with the sibling shown.
- leaf bcd542a044d1a7995cd4ffc7e190877028668b64125c97444af2c88d68df5d26
- 01 R bce3ef863ed99969535a966fe3778bd214eb81f6714f212edb51f55f6b06da7e
- 02 R ca277b8a67dfcd798df6383bdfd24d813e271459e3a2e17d3c3f9f14f3096125
- 03 L baa97ef628358af53d447d88d7e7b4f1e396c6c71bd779ebff7b01f2f4a4e4f3
- 04 R e58b77871d40fc72362d77c28e7bd3c29f65f53bff73bff0453ebca917734df4
- 05 R c961d88fe8322383c4e00fb0db2be65c4df05f77007c1e0f8d02697505e2c51b
- 06 R 405b42a025b9e5c6a1077d33673b4d8f566744f3152629937ce8f671e2921544
- 07 R cbb831eddb2d17e3450b04798c20ba0a8da670ffb72fb5c7865a33149960e8ed
- 08 L 5f056037090292b491ab87effedab8596b4d97ddc77cc8d221fc2a515504c245
- 09 L 65c09e1fb811afa924253984f9b59828aa4e0bd49d29aa67eb321c2a809a58b2
- root 38291dde57216fe5129d23e6a8be169f61a445af9f0dcb49f26caf7da57c4c22