OpenTechnical

OT-2026-000102161

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, pulsed blow-off after set-down

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-2026-000102161) never changes.

Identity and time

Publication numberOT-2026-000102161 · never reused
Internal UUID01a0aea4-50f2-7552-8aab-3ff4cd5642bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102161
StatusPUBLIC

Content hashes

Canonical text6b0295373e873121de7e67531ac52696a3c4dfe1f8b17dc4cea0e686409956be
Markdown01e9e0bda4a1f194d820ef844458f40e0da0e787cce2138c7cc68c520a1bb1f5
PDF
Publication page980e5377647b6b6546dac15a1f43618ef5f63080a24505953d611d6b2fe6c01d
Manifest2679fd27451c2b39e70ed311375b7c6d8c8d1c4ca7dc4cd83be22ea410c1e858

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
SignatureUyIYafOHpzFCl308VdDG85G52vkNqc1+pGsL0ZK1BXz6w21eCkscG5RJ9vmSLjze+D4aY7xx3g9eY9Mdr2TmCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:19.780598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102161
observed 980e5377647b6b6546dac15a1f43618e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:19.760555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102161/manifest.json
observed 2679fd27451c2b39e70ed311375b7c6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:19.742448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102161/publication.md
observed 01e9e0bda4a1f194d820ef844458f40e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:19.723027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102161/publication.txt
observed 6b0295373e873121de7e67531ac52696...
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.