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 - S. MINDORO ED Award a ₱1.8M contract to A.S. YANG CONSTRUCTIONNational agencies
Transaction hash:
d8aff2eac687a4084bddce2b46c2e18ac65d31be1884e2bf10e412247bdf2bc7
Status:
Included and unchanged
Block:
#2,560 3,453 blocks after it
Position in block:
Transaction 234 of 270
Award day:
Oct 27, 2015 (11 yrs ago)
Value:
₱1,843,670.53
Project:
15EI0032/Concreting of Brgy. Buong Lupa Farm to M
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 #2,560 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 - S. MINDORO ED awarded it to A.S. YANG CONSTRUCTION on 2015-10-27.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 d8aff2eac6…df2bc7now …
- 2. Block Merkle root changedstored 3e449953ba…341057now …
- 3. Block #2560 hash changedstored 38ad58ee16…d97129now …
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 269 records. Each step hashes the current value together with the sibling shown.
- leaf d8aff2eac687a4084bddce2b46c2e18ac65d31be1884e2bf10e412247bdf2bc7
- 01 R d9458c4a5c43d94c50b3d32cf3e5205855177788c333900d18de72287533a3b3
- 02 L de2a22ab358efbe5e5b3a5147b71a6e672b8084dbe48191d48101aa291db8ec0
- 03 R 058bc62441900eff1d5ac61fda1b08db244c1403a91368f070148612a8292f8a
- 04 L 057d7532f40006415b4e472652763919c26bb0cf1776bbe852321d9a31ce31cc
- 05 R 72fe50ee65846d18cb65c5cf25478100ee5c7377259b623b77457d20a4aec936
- 06 L d52a02cce0a68fd1ba9555659e4aff9749ed90e3e54fe3bd083ab2b3cdc5bb65
- 07 L f092bd3041022abe03c17aedd03a92e52681d82bd22556e273146adc31917100
- 08 L 388d660fe98e385fdbb68c831ebbcab842f8a97b12eaff7491d25d50a242ca67
- 09 R 52551112609893841c5223ca06103c269cfbd125b992571b715d4e120165b752
- root 3e449953ba6802d55cc14bdf5d8e18a1e461abf88c2a8c7677da481b27341057