OpenTechnical

OT-2026-000079830

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000079830) never changes.

Identity and time

Publication numberOT-2026-000079830 · never reused
Internal UUID01a0ae96-4376-7bc3-b984-88781a44e77b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079830
StatusPUBLIC

Content hashes

Canonical text523622ef56d5b47b4323cd887dec7d128c5176957ec8504b7a800d1cb74cc272
Markdown059ee3ac5d4a5711c2bd1e72f20286a24526e6a631dc92f40c8726ead833ffa9
PDF
Publication pagef4fd0e6dd15db0216a648c91ac6ec1739574ebdc8324c567a36a89da4b1b4bf0
Manifest758d92fe0361b4f4701c11dd396ae76ba302bf9f51a5e63ddbd44f523ba4d90f

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
SignatureqPv6GmOcrWpvsjikRsT4CqJDE6bc9MjO3dhSMi+HxYcjjSIHsutI/1QWIFzf2nLvON+j+Ylq7ikf6juy2YrFAA==
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

2026-09-17T10:03:42.776549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079830
observed f4fd0e6dd15db0216a648c91ac6ec173...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:42.757980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079830/manifest.json
observed 758d92fe0361b4f4701c11dd396ae76b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:42.740084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079830/publication.md
observed 059ee3ac5d4a5711c2bd1e72f20286a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:42.721419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079830/publication.txt
observed 523622ef56d5b47b4323cd887dec7d12...
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.