OpenTechnical

OT-2026-000082748

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, vented 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-2026-000082748) never changes.

Identity and time

Publication numberOT-2026-000082748 · never reused
Internal UUID01a0ae97-8cc9-7266-bce1-930a4422fbee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082748
StatusPUBLIC

Content hashes

Canonical text78092f589d581baa5c2395fb1a58edc2dd3da80fd5a75ad65e3138f7b3af1dbe
Markdown9a1feb37899da17ff44f3f8412fcef88223b48954f4fde5b413a03bc54a2dbb3
PDF
Publication page460f78772bc190b8be299f6ff1ef2439354946aba82f56f8637f8d91dca712da
Manifest271ecbc34a98f9eb999c7611af8b53c07889283965e35142592a0f2c0023d778

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
SignatureNFMwgQBqoq0UWU/HbkZe7SlKDOzN3mzXSaGjk1AUGq8TmiDLuIY9ULRoXuFJstAOMjgVfz3GYherKz3Q202oBA==
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

2026-09-17T09:58:19.820522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082748
observed 460f78772bc190b8be299f6ff1ef2439...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:19.804424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082748/manifest.json
observed 271ecbc34a98f9eb999c7611af8b53c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:19.787226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082748/publication.md
observed 9a1feb37899da17ff44f3f8412fcef88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:19.769996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082748/publication.txt
observed 78092f589d581baa5c2395fb1a58edc2...
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.