OpenTechnical

OT-2026-000089095

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, single 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-2026-000089095) never changes.

Identity and time

Publication numberOT-2026-000089095 · never reused
Internal UUID01a0ae9b-daff-77f6-83c4-31de2403a71c · 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-2026-000089095
StatusPUBLIC

Content hashes

Canonical text82c6776224c8d88671e65ea33fd27a398d34863926dafba2e0934a3938194ada
Markdowndf44377611b19aee1bca7351688f045ae8545594be1157dc382d74a1386cd806
PDF
Publication page46912866c5de920a23ba4f77580cc6b732c1438a8b07a662f4a21e4794ef0db0
Manifest87acdbfe63dad45450b4981e786c5864bba36118ae256838ede54c26309527c8

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
SignaturexDVfXYBss0srQZ4FIhWLUqa0GKpIbSbRyTaAvUjAYjTT6ajeLfSfM+928GPJroIHVXaWBc+JbQBUzRPw+v0zCg==
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

2026-09-17T09:47:00.162598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089095
observed 46912866c5de920a23ba4f77580cc6b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:00.145802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089095/manifest.json
observed 87acdbfe63dad45450b4981e786c5864...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:00.129021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089095/publication.md
observed df44377611b19aee1bca7351688f045a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:00.111779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089095/publication.txt
observed 82c6776224c8d88671e65ea33fd27a39...
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.