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 LEGAZPI, ALBAY Award a ₱649.4K contract to AMEG CONSTRUCTION AND SUPPLYCities
Transaction hash:
8232007ae89bbfdc2a1ac3a0c8aadd03f0f9600a170b9ab98d4f3cab2f3ab7b8
Status:
Included and unchanged
Block:
#4,727 1,286 blocks after it
Position in block:
Transaction 295 of 568
Award day:
Feb 23, 2022 (4 yrs 8 mo ago)
Value:
₱649,399.63
Project:
furnishing of labor, materials and equipment renta
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 #4,727 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 LEGAZPI, ALBAY awarded it to AMEG CONSTRUCTION AND SUPPLY on 2022-02-23.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 Legazpi gave a "unmodified" 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 8232007ae8…3ab7b8now …
- 2. Block Merkle root changedstored 3d17aa8fc2…7b88a5now …
- 3. Block #4727 hash changedstored 8a48b03ace…2a62c6now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 567 records. Each step hashes the current value together with the sibling shown.
- leaf 8232007ae89bbfdc2a1ac3a0c8aadd03f0f9600a170b9ab98d4f3cab2f3ab7b8
- 01 L 81e200c07bcaeb3f54c082a7c1bed87d1a8148ef60f8969edf4b68e97053227a
- 02 L e9aa115a9bf91ba277a028b10e1b9463bb1e3caa85d907181198b786603b7eb8
- 03 L 98a7b94d14f95b11dd1e50bb4e017970e81ca8de04deb824dd872eba48b91d7d
- 04 R c1f28b66ca4056ccc4d6de0503b4a232982d71b0bcce6116c8ed368e16111697
- 05 R c0e7d4fe0d7d8c4e6f35ab4629b0c4910c245c058a8efc5e33d4bdb96f531188
- 06 L d71a922324ddc164f61bd33d13c150db4a5ca847a9eec97f3868efafd1ec45ef
- 07 R cb45d44b9bfc3e1bea5fd0d7c0a64d95cea4f8a92508e08ba0572b4675deb21a
- 08 R 233e7c6e594a02c80e4ab16628b89abdf305a6c674bef003a8b97e4e99d93aea
- 09 L 08ecbcbb81b1af6f1417905b69f14a58338ee25d66699d1eeb228a2c21b98484
- 10 R 3884f4ff94e32beab18908cc92bc4a4e98e73af82f3d9778d5c98a7be53965d9
- root 3d17aa8fc213d94886a468d92e0ac0fc327aa87383c112752ddc9e6fa87b88a5