OpenTechnical

OT-2026-000077863

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, pump fed, 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-2026-000077863) never changes.

Identity and time

Publication numberOT-2026-000077863 · never reused
Internal UUID01a0ae95-2ed0-741c-95ee-63e1995b10c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077863
StatusPUBLIC

Content hashes

Canonical text2bccf6ed0839a05b3bcc077dd71a6d0acaa59e8beef5033dce5c72459ae0a358
Markdown044ce7544f8d41680fe91c38c3023e54b4605a24f149c2876aa899aae8b9799e
PDF
Publication page08ad393b05546d2125af0e4ed448d0ba6731f3fe60c547909b2099b25357734e
Manifest737204a8ec9b13dfd9ff261c00f8349f8b0697b887e17d2e8d7a9bc6c4f6facd

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
SignatureVsacj8povdWCk7TOfBfPdcClbJCEkb/1rzKaHD8vVXjd29BWvnE2lETmmn6BBeU6WYFnP41F+qMmUh+dcfxODg==
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

2026-09-17T10:07:36.295352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077863
observed 08ad393b05546d2125af0e4ed448d0ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:36.274562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077863/manifest.json
observed 737204a8ec9b13dfd9ff261c00f8349f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:36.253390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077863/publication.md
observed 044ce7544f8d41680fe91c38c3023e54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:36.233822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077863/publication.txt
observed 2bccf6ed0839a05b3bcc077dd71a6d0a...
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.