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 STA. ANA, PAMPANGA Award a ₱500.0K contract to R.L MONTOYA BUILDERS AND CONSTRUCTION, INC.Municipalities
Transaction hash:
f4d3442a8bebb7b1e537ee6a40876354c1143eca54eff9e03e58461fd74e6af4
Status:
Included and unchanged
Block:
#3,064 2,949 blocks after it
Position in block:
Transaction 185 of 195
Award day:
May 2, 2017 (9 yrs 6 mo ago)
Value:
₱499,954.83
Project:
CONSTRUCTION/REHABILITATION OF CANAL
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 #3,064 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 STA. ANA, PAMPANGA awarded it to R.L MONTOYA BUILDERS AND CONSTRUCTION, INC. on 2017-05-02.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 Santa Ana 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 f4d3442a8b…4e6af4now …
- 2. Block Merkle root changedstored b43f1d8c22…39d62bnow …
- 3. Block #3064 hash changedstored 9f112190f0…bc9ed6now …
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 194 records. Each step hashes the current value together with the sibling shown.
- leaf f4d3442a8bebb7b1e537ee6a40876354c1143eca54eff9e03e58461fd74e6af4
- 01 L f44de2392141de84afd4763193e1bc4376fd96663218953133e001f49724cfa2
- 02 R a4fd0c758e14b822db7f0f52e7363ef7a81635d6d92f3a95e476852cc0da3253
- 03 R e31b336315fde5e53ad74dc8f22ef08cdec82a6c4f7aa4a263733f009475119b
- 04 L 5df55d331d0ea716b173ff5cb61e8babcce2f18b45528025000e8b148f82ff85
- 05 L 7aea6055fd49b7f6d4cfa360943c4462fbbcd95bcd525fc57d2ff6cdc5c723ab
- 06 L d4dd314effdab108b09b7a9b653adc78b8af1e774464168484c2f8b444e7d34e
- 07 R cec0c68cac3305310fc2fcba4deeb51b8c00f07e9071e3cf7b7231e89e015ffc
- 08 L 142a18cb9322529abcc4f196618d13fab18519cccd80f812fc7f824ea4dd4c04
- root b43f1d8c227ca058c5e2a2a28201f77aa487f6d36a3e685d67d070292139d62b