OpenTechnical

OT-2026-000089137

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000089137) never changes.

Identity and time

Publication numberOT-2026-000089137 · never reused
Internal UUID01a0ae9b-db00-7401-ae6e-7573493ef105 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089137
StatusPUBLIC

Content hashes

Canonical textd076f69ebe9f058a48d968e9a74dabbdd571e283a1e5250df317553d8ce7dcce
Markdown61b8b9bd15cf8feb009d73654ddcaf44a6a6c071a51446c4af80248d592f911c
PDF
Publication pagef4e6b52e19a41488f911f15f76fa99d0cc485d99c93f14fcecb6117f78ab5e9f
Manifest935b887b3f4deccdad31bd55aed3289883ffe862051ea979137c87047a729a77

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
Signature3efVKN6FZ2bfluJLumbtVrEG3fo95+cj+Lam6jJUKIu33ToAcMykksL8qsuA2YsGCeLqV0yS3WoZHkVt9eV5Cg==
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

2026-09-17T09:47:03.336197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089137
observed f4e6b52e19a41488f911f15f76fa99d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:03.319174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089137/manifest.json
observed 935b887b3f4deccdad31bd55aed32898...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:03.301878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089137/publication.md
observed 61b8b9bd15cf8feb009d73654ddcaf44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:03.284713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089137/publication.txt
observed d076f69ebe9f058a48d968e9a74dabbd...
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.