OpenTechnical

OT-2026-000104094

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, 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-2026-000104094) never changes.

Identity and time

Publication numberOT-2026-000104094 · never reused
Internal UUID01a0aea5-341f-7fb0-abd4-71ad0612c971 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104094
StatusPUBLIC

Content hashes

Canonical text301afb0294c65a6f1fb432cd67a00869a964e07d51b2af362613cb13f13a4090
Markdown108d4578d565994018f5c21201ae0a1ea88c351825696ea0ac6269c272ea0bc4
PDF
Publication page38d158131d19e7bf81cf621df22f08e69146dd7df29b64d6318a99a10a3a909b
Manifeste955d31e0f3dc960b85be8ac25b22bdeef6273eccc6e73c50e56d54bb0aa3409

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
Signature3R4zE6Fsp1tqecqu+lCXCv+SVf4gqKNnQ9D9DFFoYCiUAKUF5aXpEAj1W9pi4k/WEtNJGcmOb9UQLjNRWnwZDw==
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

2026-09-17T09:20:09.892644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104094
observed 38d158131d19e7bf81cf621df22f08e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:09.875700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104094/manifest.json
observed e955d31e0f3dc960b85be8ac25b22bde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:09.857838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104094/publication.md
observed 108d4578d565994018f5c21201ae0a1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:09.840563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104094/publication.txt
observed 301afb0294c65a6f1fb432cd67a00869...
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.