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 ₱990.6K contract to AMEG CONSTRUCTION AND SUPPLYCities
Transaction hash:
bcfc7ef385d1ea2b01a3dfe234277d6e48bed6fba3fbbc6c8f4fe231adfd67e4
Status:
Included and unchanged
Block:
#4,913 1,100 blocks after it
Position in block:
Transaction 220 of 297
Award day:
Sep 9, 2022 (4 yrs 2 mo ago)
Value:
₱990,559.01
Project:
Furnishing of labor, materials & equipment rental
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 #4,913 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 2022-09-09.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 bcfc7ef385…fd67e4now …
- 2. Block Merkle root changedstored f70e7f356a…8d8ec1now …
- 3. Block #4913 hash changedstored 9ed3114d5a…b0d41cnow …
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 296 records. Each step hashes the current value together with the sibling shown.
- leaf bcfc7ef385d1ea2b01a3dfe234277d6e48bed6fba3fbbc6c8f4fe231adfd67e4
- 01 R be134191380ebe6237a01d15fc4b6688554a4f2c3e92bf2e92fc360ad5ecca5a
- 02 R 3b0c639c7c0bfeaf4de40085de2cd136491136142d8e031e6be6ecea6a8f9fb0
- 03 L bb6a7052695a2aa3e70917a103a57166ee41227a8a84a3e089216d3f1eb9129a
- 04 L f3d26d8affe03ba6525c87e381fd92f55fb1ed05efe22f4be083f1228dc5b4e6
- 05 L aca5cb57a757def3af7c7abc9eb627dbebe98492ed5c7b96c1f38735be136fed
- 06 R f73be1882b083c9954c8cb7a8a20db63355e40b4b37444155a3898a59a3e51ac
- 07 L fdb2b572022bae7dca1bec594fdc50d088a56dce07962b3e22c3043b7714b64c
- 08 L 0ea88ae67ff288609c0a5163849dc94b09a868d782afa4624482c1df3ba5182f
- 09 R 5b98ca9c995d2228eb19238953b3f6376f2a01bb8e6a605ed4e16390740c7eb7
- root f70e7f356a1e539c333f4668cecb8bb718cf6f0e4e3cc98561a15dad0d8d8ec1