OpenTechnical

OT-2026-000056242

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, vented before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000056242) never changes.

Identity and time

Publication numberOT-2026-000056242 · never reused
Internal UUID01a0ae87-4bd1-75f2-b3a3-9d3157c5bb84 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056242
StatusPUBLIC

Content hashes

Canonical textbbbefe50023d8e56f9781081e199d28e0c0447b9e1b555d9f9765611ffbb230b
Markdown0b4579b3da39736219c83adcf08b291a668bee9d63f5c7483b17fd770c61ea11
PDF
Publication page0bfe78272a0b2724020207a91fbd334fc2d6138ac4c0d25e60ea1eb855463952
Manifestc2841e6a437d03908189b6d91c4172fcda6d7428b1ea7640aad487c6981d0eba

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature9u1cDliBKu2/dauwjR8WKTwr8yqiL2/jcBCNVCsNm3ROakEb9FuGRmP0NDRdNA03/ZO5wTnujqSCN9WUvnvTBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:43.315748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056242
observed 0bfe78272a0b2724020207a91fbd334f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:43.298855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056242/manifest.json
observed c2841e6a437d03908189b6d91c4172fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:43.280416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056242/publication.md
observed 0b4579b3da39736219c83adcf08b291a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:43.262825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056242/publication.txt
observed bbbefe50023d8e56f9781081e199d28e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.