OpenTechnical

OT-2026-000089745

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump fed, manifold pressure sensor, sustained blow-off before set-down

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-2026-000089745) never changes.

Identity and time

Publication numberOT-2026-000089745 · never reused
Internal UUID01a0ae9c-1a22-7723-97a9-6c4a3b2333fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089745
StatusPUBLIC

Content hashes

Canonical text0366f370ed2a8d01d61a838a93c9c51bca6f072d9a6b5db12f3ea5599afbd177
Markdown56f462cb338681a261f00b7d16ecc71fe83c658cd854d8c4fa6c31f7825b8672
PDF
Publication page9de965ede4902ce684f0512a4c36dafc4945ed94569b22a97a56e45167e7401b
Manifest32131df2a5e2e7fb5035cc65f8df29525ad4417dd7994bf128293a5cec6c55ea

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
Signature5IsGWB+Tqn8JtyZ+BEkb1HHZrDjbHU4+UQKt8/HOUpGjj7M/C3tyxPgVk5woHOYI6hpCyhQfOQMXvGOGI8SKAw==
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

2026-09-17T09:46:49.608636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089745
observed 9de965ede4902ce684f0512a4c36dafc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:49.590400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089745/manifest.json
observed 32131df2a5e2e7fb5035cc65f8df2952...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:49.568044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089745/publication.md
observed 56f462cb338681a261f00b7d16ecc71f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:49.543876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089745/publication.txt
observed 0366f370ed2a8d01d61a838a93c9c51b...
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.