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 VALENZUELA Award a ₱10.0M contract to TM ABAD CONSTRUCTIONCities
Transaction hash:
b2efc790ee5abd11f38dc7f3133d3d608edc9e046acba6d1972b4352a295009b
Status:
Included and unchanged
Block:
#5,106 907 blocks after it
Position in block:
Transaction 659 of 898
Award day:
Mar 28, 2023 (3 yrs 7 mo ago)
From:
Value:
₱9,993,548.38
Project:
CRN 031-REHAB-BAHAY PAG-ASA-CANWEST-CDF-INFRA-2023
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 #5,106 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 VALENZUELA awarded it to TM ABAD CONSTRUCTION on 2023-03-28.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 Valenzuela 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 b2efc790ee…95009bnow …
- 2. Block Merkle root changedstored d05ebd1e93…a306f8now …
- 3. Block #5106 hash changedstored 02b195fdf1…a2ff1anow …
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 897 records. Each step hashes the current value together with the sibling shown.
- leaf b2efc790ee5abd11f38dc7f3133d3d608edc9e046acba6d1972b4352a295009b
- 01 L b2ee734f4836da3cc796dece3710c64b34bc5c86c4c7fa5452787647f3b1f351
- 02 L 05e8f76aecbce7ebf504f80e23a497b2b6c8dfb2189c02681182c32f6596312e
- 03 R ff37011502eb7c9850a0bd9ae69b909ebacb907f6b957931e2a17f1290e5f8fb
- 04 R 0b8ac08f13e9091a6add41ff411ca92d72909b696007a9ce32a386e936f44b58
- 05 L 415f6e9ecf39e29b671220fe8f722b586ad230dced14120bdaa278e835b96b48
- 06 R fa62d7642b469c3f99fff9fa49c719a443a64bb083176fa0ce35b18c239e6e93
- 07 R 2a98b41d447132c795af4dcb794b04c219529ba8d2d27b27c6564dfe11cddc42
- 08 L 0921ad33b8baa1a4cf63ef156c02377c9c3c44b25683266eeb0d35232fbafbc5
- 09 R cfe1f81c8872c26a3892d97c51f531cd40163be17c850c1a7f1af7b6777f8b4c
- 10 L 95b2682fca084295389d11e2250fe894b51715c879a7fb1b03c0ae6101e966cb
- root d05ebd1e936a60babe56adc471ae32d76a404f0f8148543196289826f4a306f8