OpenTechnical

OT-2026-000073955

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000073955) never changes.

Identity and time

Publication numberOT-2026-000073955 · never reused
Internal UUID01a0ae93-2b8e-70c3-a2d6-14e74ed432b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073955
StatusPUBLIC

Content hashes

Canonical text423cb67b306d626b63b0463dbaae5fc772afdea28e512495ede93184436c7b2d
Markdown9eaca1cc25b9b3f1c9ee3deedc328358ab2543f04b32934132cee705734b08e3
PDF
Publication pagefd64e9e1a0393bbe3b84686d1f475c0e097030c6bf5c014b3c389bdb021be039
Manifesta231dcc01e18279aa5fc4653662decbc12d26ea95ca4cd94dff65854ab365371

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
SignatureS3mnzBYWVeMMuyFPJHpvfQz6vqdRNqlGqBv6/rGfTwP5mUWDrjvj86Oxdke6YfX/lMnCIEoZYugqsLA/DmLtCQ==
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

2026-09-17T10:20:14.762384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073955
observed fd64e9e1a0393bbe3b84686d1f475c0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:14.742448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073955/manifest.json
observed a231dcc01e18279aa5fc4653662decbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:14.725199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073955/publication.md
observed 9eaca1cc25b9b3f1c9ee3deedc328358...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:14.702220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073955/publication.txt
observed 423cb67b306d626b63b0463dbaae5fc7...
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.