OpenTechnical

OT-2026-000081449

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, two 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-2026-000081449) never changes.

Identity and time

Publication numberOT-2026-000081449 · never reused
Internal UUID01a0ae96-f375-7bc4-a1c8-ee0e82c40e5c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081449
StatusPUBLIC

Content hashes

Canonical textec6039b643aa5d291d6fe242ef44d33c1b023f38221894ed623ee412f61cfc18
Markdown62307bf8f34071f45eebf5a94ba14c8732da3d2c872728698216f3028fa8f46c
PDF
Publication page92d598865f6b6ab55889bc88ba5f24dd88e1ace71e809111ad195fe049116c7c
Manifest25b3a52efca1786674f4687c068908a54cb63b74c6023bfbb5e58ea750375cef

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
Signature20SP4CqqmvrSZpXsYiLZB88sPn7Zl0LiGvHPjEMIzaYyBCrbYiUiHV4He0RsKb3yjYoTF7nO4t4LvhujtXPsDw==
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

2026-09-17T10:01:36.610525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081449
observed 92d598865f6b6ab55889bc88ba5f24dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:36.593440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081449/manifest.json
observed 25b3a52efca1786674f4687c068908a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:36.575397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081449/publication.md
observed 62307bf8f34071f45eebf5a94ba14c87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:36.558298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081449/publication.txt
observed ec6039b643aa5d291d6fe242ef44d33c...
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.