OpenTechnical

OT-2026-000078373

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000078373) never changes.

Identity and time

Publication numberOT-2026-000078373 · never reused
Internal UUID01a0ae95-7c28-739c-9f20-4b2fbcd15b8d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078373
StatusPUBLIC

Content hashes

Canonical texta23c3d00df143ead260341060a8a9c354961f33dbf60a7080125acfb8046c9ba
Markdownf2980cbec23ab6dbdfc6a2bfdae0099025a35c463917f00242e01fe6ffd595e2
PDF
Publication page296d55a409a8f6183afb16cf70d1e4b9501fc828f4174c9d63bd7f2d1612ce5f
Manifest230b3149fa083a494ead2ac9a44a29e96c40313e6a4cb70637777b6d72ce89e8

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
SignatureV87h3iFAQQyrtdpH9g97x7dzvngwW2bwhpn4V5FcpGcdZwWwddso/ugcC2DJ3sqOL13FoNt5Ao4frh3HAQZzDw==
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

2026-09-17T10:06:20.669240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078373
observed 296d55a409a8f6183afb16cf70d1e4b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:20.650364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078373/manifest.json
observed 230b3149fa083a494ead2ac9a44a29e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:20.631100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078373/publication.md
observed f2980cbec23ab6dbdfc6a2bfdae00990...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:20.612761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078373/publication.txt
observed a23c3d00df143ead260341060a8a9c35...
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.