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 ₱5.0M contract to ACTSBUILT CONST. SUPPLY CORPORATIONCities
Transaction hash:
49d8cb875f22f5bbcb79802f0f94bb409b06d43ec42656353a25072e159aed91
Status:
Included and unchanged
Block:
#4,836 1,177 blocks after it
Position in block:
Transaction 75 of 239
Award day:
Jun 24, 2022 (4 yrs 4 mo ago)
Value:
₱4,991,645.17
Project:
Infrastructure R02-2022-01
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 #4,836 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 ACTSBUILT CONST. SUPPLY CORPORATION on 2022-06-24.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 49d8cb875f…9aed91now …
- 2. Block Merkle root changedstored 20f3660e3b…69436fnow …
- 3. Block #4836 hash changedstored 6492603514…995fb1now …
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 238 records. Each step hashes the current value together with the sibling shown.
- leaf 49d8cb875f22f5bbcb79802f0f94bb409b06d43ec42656353a25072e159aed91
- 01 L 499b9cfe6d19c830c40d49accd15b1180847e58d2514d302cf03dfc24a4d90b8
- 02 L c37431a41aa902ca59472c754775b82a64ef0ded96ca1bcfa36d55e4ede4f142
- 03 R 86f49408409b9a77a5871b9f1d8a05e4380d4a9d6ff33b27eb370042394cd7a3
- 04 L c6c987bc6bb816316daf00fc94b362327ea71bb2ba6dd0fab7cd451f9c062b7c
- 05 R 6f7a939cfae08b854e55f9e7e8f28920b8ba3b872cbb83b864c894bedd1772f0
- 06 R 8dc819998b6bbd96399665fc29d28a446d71349059a4bc8229be345cf5e73ffd
- 07 L 4a4c45b945d173336859a6ed46f7ee4d915faa45b072de6459eaebc7c4b61386
- 08 R 00f860e82c54e95e19a0d5d11a212268ec0c9ceb722dd7637f143f44d11acf49
- root 20f3660e3b37aa7eb4625d3d541d95a35ad4724dd225c2373d9e27572869436f