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
PROVINCE OF BENGUET Award a ₱996.1K contract to TANGAYAB CONSTRUCTION SERVICESProvinces
Transaction hash:
6876bf7b746fe92c6300b4e7087ae490778e8fc664d620f17b8ad071218e8b4c
Status:
Included and unchanged
Block:
#4,404 1,609 blocks after it
Position in block:
Transaction 170 of 459
Award day:
Mar 29, 2021 (5 yrs 7 mo ago)
From:
Value:
₱996,105.10
Project:
IMPROVEMENT OF LANAS-TABA-AO NATAEG FMR, LOO, B
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 #4,404 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)PROVINCE OF BENGUET awarded it to TANGAYAB CONSTRUCTION SERVICES on 2021-03-29.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 Benguet 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 6876bf7b74…8e8b4cnow …
- 2. Block Merkle root changedstored db4b7cd350…fd0a7cnow …
- 3. Block #4404 hash changedstored 1d5bc126e4…75e7bdnow …
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 458 records. Each step hashes the current value together with the sibling shown.
- leaf 6876bf7b746fe92c6300b4e7087ae490778e8fc664d620f17b8ad071218e8b4c
- 01 R 6920e1293e846c74fde71e3569d21eaacab0affc4c8e0e5ae1b1204132a9acaf
- 02 L c22e850cf0bee710113228bebc575f8b8453217701f6343e41e93ef79414d33b
- 03 R e3d9a06306a6e77ee3d792a3ad2f61cab6c9238ba047c7e675101e54f7a82497
- 04 L 31c243faa874c9e03e2ba8bb8f3187502096d556c98b1df8a5a06078077e4dcc
- 05 R 5aa5fba04740b2caf6b0871aa095d1f9282c6b603867a297e60ebf1979fa1600
- 06 L d19d25408a967e4bf07904c3376dfd26a35e1edb78d6f08d4e28a249818b05a2
- 07 R a6f7085d727a82af7832d19e1af92a69008df966374d0782817ef065a1f10762
- 08 L de20ee951890a9ce820bfd39a5768e2c26b9b56a53c3f5525204027375d92055
- 09 R 5daa853761cea7a21c5a3920d7eb02a7b080cdddf984056212c86c8664e980d0
- root db4b7cd3507a0d780dc315e46a9914674a82e3e53409f4b59fe98d8a14fd0a7c