OpenTechnical

OT-2026-000103075

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, single stage ejector, 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-2026-000103075) never changes.

Identity and time

Publication numberOT-2026-000103075 · never reused
Internal UUID01a0aea4-be3d-7bff-8aeb-880ac6a70458 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103075
StatusPUBLIC

Content hashes

Canonical text99c7901a07052c25d82c2d3b1ccf9dfd55bc0176d8e9b656e9c6a5d39e607e05
Markdown636bc92075175dde483026f2cb1af932395e50749b8ac93d9c1be2aea1fa0693
PDF
Publication page5e7efffe014525a24b84b12c1b3b4f3a04bc7c160ba8d9722432dff4c2b53c82
Manifest387e7399233c5cd22b7a8a13b84652b654c1f3275a8c7e632a32ceb955fdc298

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
Signaturea7o9+y6d9Y0Bl2WzQ0NyrIhQU8T6AVmO3vmEaQMSPPUfLZgRFJ3woN8kG995zxlpclCkPul0TwMo96SEJMlQAQ==
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

2026-09-17T09:23:12.102521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103075
observed 5e7efffe014525a24b84b12c1b3b4f3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:12.084455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103075/manifest.json
observed 387e7399233c5cd22b7a8a13b84652b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:12.067525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103075/publication.md
observed 636bc92075175dde483026f2cb1af932...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:12.051145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103075/publication.txt
observed 99c7901a07052c25d82c2d3b1ccf9dfd...
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.