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 AURORA Award a ₱2.0M contract to COLBONGAN CONSTRUCTION SERVICESProvinces
Transaction hash:
ea3684ce70738730d96cc3bb8670a975f1106c84f3ab481d58dda148d5efec80
Status:
Included and unchanged
Block:
#4,853 1,160 blocks after it
Position in block:
Transaction 151 of 164
Award day:
Jul 11, 2022 (4 yrs 4 mo ago)
From:
Value:
₱1,997,964.13
Project:
MULTI-PURPOSED HALL (TRIBAL HALL), BRGY. BAYABAS,
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 #4,853 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 AURORA awarded it to COLBONGAN CONSTRUCTION SERVICES on 2022-07-11.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 Aurora 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 ea3684ce70…efec80now …
- 2. Block Merkle root changedstored e8adfa33dd…06f3f9now …
- 3. Block #4853 hash changedstored ce06957c6e…ca4cf3now …
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 163 records. Each step hashes the current value together with the sibling shown.
- leaf ea3684ce70738730d96cc3bb8670a975f1106c84f3ab481d58dda148d5efec80
- 01 L e59f9ecc20a215275dcc2cb53802fae603845ac9911df88f1c9a7dede5037f30
- 02 L ac3195a4cdadc5656b8591b3ddbeae3894975dd29b1b78e9c6b26a3efdd0c114
- 03 L 6f8bbf110d48f9bdbc1c87852064a0bf76e6178b0ad4f83461d64303963e8f2a
- 04 R 8a048594324a2ce806e30e5a6502f8d01a931c565562f351be099edbe05cf0b8
- 05 L c121a035fe81d92a498db5f749175ca44ebf8e642add4a4c4ae854321531bd70
- 06 R e31371b0180bf0c106b43eb8bd57127b9f055924a6c5a4e254e3d84ef50575a1
- 07 R 050eb43e5d14fb2053488eae8982db1cc1ac884e3ed36da859a02a6d884accc7
- 08 L b9bc50c25a09a178b0b3a5ca5eea7be1d487baaebb81954b065a6798a29b5751
- root e8adfa33dd7a14565df1d48e645773bae967c482ac30293b9ec31f6d2606f3f9