OpenTechnical

OT-2026-000102735

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, pump fed, pulsed blow-off 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-2026-000102735) never changes.

Identity and time

Publication numberOT-2026-000102735 · never reused
Internal UUID01a0aea4-858c-74f8-94f2-eadfa09768bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102735
StatusPUBLIC

Content hashes

Canonical text318683c09194bc197c96e05720661400dc150eaf49772153344c3ef9fd789ac1
Markdown2383b5418054263f40b726034362d9cbdd1eff2972bcb75b21b04bfe2106266f
PDF
Publication page9b4017dc1f4cf0fbd0ba3018e760b47b8781eb819ced01c41d2fe27d800ae9d9
Manifest0a6dc7283d07c656bb74ce5b998283744912b1c6d966281a87da03b86497f6df

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
Signature6QAjpFxokseNgm7wRa2jwzymqmaf5gAJhSfUKn/YswStucjq/KY3jKkvm2fmGDE6GDdbimQGfhMduuwsOJIlCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:24:15.216491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102735
observed 9b4017dc1f4cf0fbd0ba3018e760b47b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:15.200451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102735/manifest.json
observed 0a6dc7283d07c656bb74ce5b99828374...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:15.182945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102735/publication.md
observed 2383b5418054263f40b726034362d9cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:15.164856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102735/publication.txt
observed 318683c09194bc197c96e05720661400...
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.