OpenTechnical

OT-2026-000067826

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000067826) never changes.

Identity and time

Publication numberOT-2026-000067826 · never reused
Internal UUID01a0ae8f-c4fb-7894-9d0b-0a65589d6b46 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067826
StatusPUBLIC

Content hashes

Canonical text794269832ca7200ee534d56bda15bc12b7b1a0853953a35036c2f492c78921ae
Markdown1f5f7c07a766cf6c5c98aa6c4b1a8addc0b0b36e8e2cd132aff053f4845db3e8
PDF
Publication page37eb1b2f21057074ec666a7908bb9c7e6d205171f10f4fc9bf3ef4e6083dda12
Manifest65f3dea283bb7e425e5f05fd582f1e31f0c53a59733b875c09104907dee57408

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
Signaturea7yICB3U/lNbjB2oJka7w3bfNmBsuoWqYYLrojXQAidRStzLZuSJWACtavvL/MKa1OaznSuL0iH4yrycwSGYCQ==
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

2026-09-17T10:30:04.553084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067826
observed 37eb1b2f21057074ec666a7908bb9c7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:04.532168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067826/manifest.json
observed 65f3dea283bb7e425e5f05fd582f1e31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:04.514329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067826/publication.md
observed 1f5f7c07a766cf6c5c98aa6c4b1a8add...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:04.494842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067826/publication.txt
observed 794269832ca7200ee534d56bda15bc12...
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.