OpenTechnical

OT-2026-000089357

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, manifold 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-2026-000089357) never changes.

Identity and time

Publication numberOT-2026-000089357 · never reused
Internal UUID01a0ae9b-db01-7cc1-b5fc-1bc82ce3bcda · 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-2026-000089357
StatusPUBLIC

Content hashes

Canonical text29d330543e049783ff905119ce7c2cf585e06a3f72c54354c0a99d5813a91abc
Markdownfc0ab8b76984c721b31459a8fb2cbc7c4ec8b29cbadc550ebdf9ebee74ab02c9
PDF
Publication paged17b97d42dc728c239c9a9cb0cfe91209816cc97f4490e75046262907e1f48c7
Manifest3bac9856ce64badb033958a80ee624639160a41cd537ac1cfa93432b6fe4d859

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
SignatureY4U+7tkMA5AoQX5N3R0S6sFO34GEmsLxkC8zeiWG+Vx+Oyi/TLhwRfFDNNKEzY3tZ8oYeq4eIRUO8bChxnjAAA==
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

2026-09-17T09:47:24.922674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089357
observed d17b97d42dc728c239c9a9cb0cfe9120...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:24.905880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089357/manifest.json
observed 3bac9856ce64badb033958a80ee62463...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:24.890309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089357/publication.md
observed fc0ab8b76984c721b31459a8fb2cbc7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:24.873490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089357/publication.txt
observed 29d330543e049783ff905119ce7c2cf5...
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.