OpenTechnical

OT-2026-000086445

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, 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-2026-000086445) never changes.

Identity and time

Publication numberOT-2026-000086445 · never reused
Internal UUID01a0ae9a-2c97-725b-8e79-36de0b0e34af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086445
StatusPUBLIC

Content hashes

Canonical text403825e6862ea6015a196dbb6dfa6141dfb22bcc3aff45acf3e51bc1e8eefadb
Markdowndbdeb378af93a74c6769a065e25b58d9b3e13a1dc5077bda3f18560120647ec5
PDF
Publication page48afc2f9b565acb09de579685e38c82fc59c26cb3ae8fb299c3ea786358fecee
Manifest66e0f0bdcf1a3851b1ca26642fde9fe714f3b2ea7a631dbe31c957f7649b92e1

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
SignatureuoRH2rxIOHz5VAgipfzEMt6/8oEteetHMli730Ht9AkkY4kb/GzJ2VcumEwiJd2Ox0/RHBiwR8YpFlC9rkqqAg==
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

2026-09-17T09:52:14.688651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086445
observed 48afc2f9b565acb09de579685e38c82f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:14.671726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086445/manifest.json
observed 66e0f0bdcf1a3851b1ca26642fde9fe7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:14.654403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086445/publication.md
observed dbdeb378af93a74c6769a065e25b58d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:14.637701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086445/publication.txt
observed 403825e6862ea6015a196dbb6dfa6141...
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.