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 DAVAO, DAVAO DEL SUR Award a ₱31.5M contract to A.Y.U. ENGINEERING AND CONSTRUCTIONCities
Transaction hash:
d2edbeca35e97ddd68263937b5bce945e018b950f981f1fab347998907b43228
Status:
Included and unchanged
Block:
#5,287 726 blocks after it
Position in block:
Transaction 219 of 264
Award day:
Sep 28, 2023 (3 yrs 1 mo ago)
Value:
₱31,510,006.29
Project:
Infrastructure B10-2023-04
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 #5,287 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 DAVAO, DAVAO DEL SUR awarded it to A.Y.U. ENGINEERING AND CONSTRUCTION on 2023-09-28.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 Davao 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 d2edbeca35…b43228now …
- 2. Block Merkle root changedstored 30f56fbfe8…2acb94now …
- 3. Block #5287 hash changedstored d72b7169a6…c62cc6now …
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 263 records. Each step hashes the current value together with the sibling shown.
- leaf d2edbeca35e97ddd68263937b5bce945e018b950f981f1fab347998907b43228
- 01 L d1530844139925843521027faf01f30238e5532f28fbe078da9998b393bf0c5b
- 02 L a266e7434963523a4b64c6924c43a7c3b5c27392ebc92e6698e0746f889f5e3e
- 03 R b57e9ff67cd5e3398722640913533addf26c04c78ba2dce48f844ba373d52045
- 04 L b36479e5f678ea31492a37ce59405b70e4651b46c57595e44869ef1a77824c4c
- 05 L a4e48c88bb12dd9a8ff5a4fdb4ed0306d7a712e9888604a8eb85fed93bd8f527
- 06 R f091546ed9ef096915ab86ca764c68ae4d9e6db7e27a733bf9cd308512c6d0a5
- 07 L fc685191adc3bc37636ee93fe0f3b5de330fdddcc498671d6421d9492fee264e
- 08 L 75618638cacf5e135c244001f3ffd27bd1f1632723fd0a2cd771e1fcb8808331
- 09 R 149ab1851aaccd1cabb220586c27a927bcc899872c3b6a552952be68280c8e8e
- root 30f56fbfe850906435fd05b3ccec77bc53024d8bafe106fc691a1331e22acb94