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
MUNICIPALITY OF SAMAL, BATAAN Award a ₱294.2K contract to AS MACHA CONSTRUCTION AND TRADINGMunicipalities
Transaction hash:
d72c8ff5f80c1a4e2e01e7c40e8c20b600452f579883c5526da2a9c1f836a511
Status:
Included and unchanged
Block:
#4,514 1,499 blocks after it
Position in block:
Transaction 272 of 315
Award day:
Jul 21, 2021 (5 yrs 3 mo ago)
Value:
₱294,175.55
Project:
Construction of Rural Health Unit (RHU) Shed
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 #4,514 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)MUNICIPALITY OF SAMAL, BATAAN awarded it to AS MACHA CONSTRUCTION AND TRADING on 2021-07-21.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 Samal 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 d72c8ff5f8…36a511now …
- 2. Block Merkle root changedstored e20263e9c4…677708now …
- 3. Block #4514 hash changedstored b971c7bf85…0bc90bnow …
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 314 records. Each step hashes the current value together with the sibling shown.
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- 02 R efa0141ca69617feac9993abbe0fccbe419ebcb2ad874c5b83aebbb90f887b7a
- 03 R cd32e4083e225b1cd1844d598668e63b12171a9dd530beb36e25ed19dd38c686
- 04 R bda1033ad147e68e4ab790f587fcd0e8ba048991cf65e6979aba5749f4bcd602
- 05 L 8dfcc221cc010b0e5ced4da15c88f881ad30a1d2a15a7c4afb14823b13a846d8
- 06 R f3e570d5e9126a63306ef7f68559cc1f08b2fa4b2c709b4388e46afe4f92808c
- 07 R 7321a866861bc8829082301f60636644328654f199941405fb07244197f93db7
- 08 R 7e2ac03be203328db4362a13e4dca37507ba235d0e4c352cfcb5c237f581d42e
- 09 L 76d5adef7b47e0c76af5c427b715d27e9cfe1e5b7d260b03019cba4d525742be
- root e20263e9c48d1f64cdb07479ef09ff90209c57643af95835c22a159697677708