OpenTechnical

OT-2026-000068821

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, single stage ejector, pressure sensor per zone, pulsed 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-2026-000068821) never changes.

Identity and time

Publication numberOT-2026-000068821 · never reused
Internal UUID01a0ae90-6dcb-7033-99ec-f9a9f4f9b28c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068821
StatusPUBLIC

Content hashes

Canonical textaa3721033fe92ad58574487f5bdd1de88dd0d302a4b50d158c1e8467b3d856c4
Markdown2288a0d30d2050cb8d5c58c861fa7b23f0ea18003d736a7fe967e80186b7072f
PDF
Publication page5cb9d504d1f651a55a2493c9495a5c09b6cbc4840101542a5c7c91f3244c7b77
Manifest682b4a88624be74fd6ec19befa2665a53774a5eab81cee1788826e78f0b73d1b

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
Signaturenv9EFbApWSnaxz44Cnh+xD1zT0o6rZA5K/bDYkjjDsNCU3dbPz5AlaMuvj9EkuF7IxSNeRnIfsRpJvP81qGoBg==
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

2026-09-17T10:28:37.415080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068821
observed 5cb9d504d1f651a55a2493c9495a5c09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:37.395736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068821/manifest.json
observed 682b4a88624be74fd6ec19befa2665a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:37.379557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068821/publication.md
observed 2288a0d30d2050cb8d5c58c861fa7b23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:37.360757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068821/publication.txt
observed aa3721033fe92ad58574487f5bdd1de8...
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.