OpenTechnical

OT-2026-000082939

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, sustained blow-off 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-2026-000082939) never changes.

Identity and time

Publication numberOT-2026-000082939 · never reused
Internal UUID01a0ae97-8cca-70b0-bb02-70206cdf1a89 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082939
StatusPUBLIC

Content hashes

Canonical texta15ef1f0edb208b51952139e5cb760b7c73f7b9e8eafee820bb4bbc1485678b5
Markdown1d850c1061af7c145000523f63fa33eecd0d845e5315b5098e448656445a2a7a
PDF
Publication pagec33c57870c7524c3262ff59d89aceb95159703775f7c7e8184e76398cb43b4da
Manifestd76946688b464b4e55f3e9cf79fc9050eebf521cc7ce213d68bced826971b9b0

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
SignatureOLFl1BKF84PrIXc5K9ricfVoao1IdUo8ocAbYCb7zFL5MQzTOejuAbbhrIz1rHJCX+TOaTg2+97I1iFQ9ZJ2DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:58:38.039169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082939
observed c33c57870c7524c3262ff59d89aceb95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:38.022040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082939/manifest.json
observed d76946688b464b4e55f3e9cf79fc9050...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:38.002647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082939/publication.md
observed 1d850c1061af7c145000523f63fa33ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:37.984577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082939/publication.txt
observed a15ef1f0edb208b51952139e5cb760b7...
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.