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
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NEG. OCC. 4TH DEO Award a ₱3.4M contract to SANS CONSTRUCTION & SUPPLYNational agencies
Transaction hash:
3d2ca2f15c52d2cd5186b9f24ed37775daf5fe12d7150879db5589a87d550a0c
Status:
Included and unchanged
Block:
#3,452 2,561 blocks after it
Position in block:
Transaction 105 of 443
Award day:
Jun 18, 2018 (8 yrs 4 mo ago)
Value:
₱3,393,164.00
Project:
18GN0061-Repair/Maintenance of Himuang Bridge Reve
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 #3,452 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)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NEG. OCC. 4TH DEO awarded it to SANS CONSTRUCTION & SUPPLY on 2018-06-18.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)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 3d2ca2f15c…550a0cnow …
- 2. Block Merkle root changedstored c9b5f6ba96…c317f2now …
- 3. Block #3452 hash changedstored 2a6b1c8a39…ec35c2now …
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 442 records. Each step hashes the current value together with the sibling shown.
- leaf 3d2ca2f15c52d2cd5186b9f24ed37775daf5fe12d7150879db5589a87d550a0c
- 01 L 3d22acaa041da8618a88543baa8c0f1ae3f343f1235611925d9bdc21d1defc20
- 02 R 30b73ddd350183f451e689e9aaba52da44123d77fcb53b9e84cd0fd9c1bf9c9c
- 03 R 41d8306ed68aadbda075e63770e4ea4dbc0dd4e6df17e960e6f1ad74895bf3c3
- 04 L 51ccd82038596a2c0dcf0b8ac7415ba04b8873985ceebbfe8da64d687c0931c8
- 05 R 871513c09149fbe02940946e19ea6fe8a20dcd414d735add2b366cbacc58f573
- 06 L dd089dd7cb3445604c9af9cc5e0d6f04184291fa544a54e22e12b679fc2cc518
- 07 L 7f4c1b284b3601a6609adf9b0c5d878ef4ca06b7876919db10e476302a20936d
- 08 R 3e8ea97beb051e93b151dc71cb1f48b7169d30832b20833843bc1bf4332af06d
- 09 R d2cbb5f4ea9d22d741924b690ee7c68ec8640213a40a6b5ad93ced7b4b814906
- root c9b5f6ba96975ead2a2b23fc3d70956094e6562e85c843d8aec2d57ba2c317f2