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
CITY OF ANTIPOLO, RIZAL Award a ₱1.1M contract to HANNAHZIEL BUILDERS AND SUPPLYCities
Transaction hash:
4e01c45c45c927f8bfd3f85fef326fba4cd9c2dd4a789ce819992666892da57d
Status:
Included and unchanged
Block:
#2,552 3,461 blocks after it
Position in block:
Transaction 64 of 226
Award day:
Oct 19, 2015 (11 yrs ago)
Value:
₱1,105,040.56
Project:
Improvement/Rehabilitation of Stone Masonry Wall A
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 #2,552 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)CITY OF ANTIPOLO, RIZAL awarded it to HANNAHZIEL BUILDERS AND SUPPLY on 2015-10-19.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)COA's CY2024 audit of City of Antipolo gave a "qualified" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 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 4e01c45c45…2da57dnow …
- 2. Block Merkle root changedstored 0f4e705fce…eafdbbnow …
- 3. Block #2552 hash changedstored e3c048650a…938e7cnow …
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 225 records. Each step hashes the current value together with the sibling shown.
- leaf 4e01c45c45c927f8bfd3f85fef326fba4cd9c2dd4a789ce819992666892da57d
- 01 R 4e2d78a33d6cf463ab7cde994595f717130e654f924e11471c1bef9cae91c37b
- 02 R f0aefa1894b9c2c186ca5bc1ca285d88a2b88baf0e60b2abd093a452fbbd117f
- 03 R 9b4b57f7c96b23012a3b69ac3cca3d4ac0599ceaaa60d817e5b8e01f6cdf917a
- 04 R 55033860469b06a119efbce5fe064fe630b9da9e48c8f875f25a0e3da86d9cba
- 05 R b6264ba1b70fb11e059f623319c562680f0fa5072295240375da83fe81b36528
- 06 R ccde11035a81fef48f94446718f980f443b6ccaaf60b91a2f12e1a6189973eef
- 07 L d2c82b209e3fdb16a67fabeb342899c887ca50bc59c2ef5bda8a5aa33bfc38cb
- 08 R c030c00ea68715b91864f2ed9e31837544b683d0fda3cc37530381e30cc4541a
- root 0f4e705fce52edef7949c9293dcc4c2182190fa4a98577803f1babcd1feafdbb