OpenTechnical

OT-2026-000038425

Publication integrity record

Single cup vacuum gripper, three stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000038425) never changes.

Identity and time

Publication numberOT-2026-000038425 · never reused
Internal UUID01a0ae78-2d53-795c-9c94-4963a48abce4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038425
StatusPUBLIC

Content hashes

Canonical textf95ec9e3be99017217a25aff837d5c569a1d8344a9703a024189a9be485ec4b9
Markdown8c74ec081eedd19932cab712991b5a061396b901632a1bb0a5303bd36b0fb621
PDF
Publication pagec74a0fef58208d2c82445c238b0aa059db60cb238ba4d9387f3c997d3aa3d697
Manifest2b16085b16c958054f66396fa1c22b89c8317d00017ac2eff16209441cdedb77

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
Signaturezr2UYomoS4Bhar6H9vp6dXPvpbq0x7p6SNqU+DnUJUKxiqopNBxui0U+v5cqFcIaES84qyEmAFxzFZXpofCBBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:22:38.992539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038425
observed c74a0fef58208d2c82445c238b0aa059...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:38.972990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038425/manifest.json
observed 2b16085b16c958054f66396fa1c22b89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:38.949197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038425/publication.md
observed 8c74ec081eedd19932cab712991b5a06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:38.192157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038425/publication.txt
observed f95ec9e3be99017217a25aff837d5c56...
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.