OpenTechnical

OT-2026-000012099

Publication integrity record

Foam pad vacuum gripper, three zone face, single stage ejector, pulsed blow-off before 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-2026-000012099) never changes.

Identity and time

Publication numberOT-2026-000012099 · never reused
Internal UUID01a0ae6d-1943-7367-bff8-103d6f977313 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012099
StatusPUBLIC

Content hashes

Canonical text0487d9b4cc2f477dfb68c028545bd3a86fca8f95fd9c59acc0e0cbb64847c339
Markdownf6cac2d69d41a79a34c17f9542a54049e56f706e1b6b78cc991c64631ed8b734
PDF
Publication page13d485a59372111e00e2645fcdcccc536c071bfe1948923fcd72adc47e8363bc
Manifestb0bdd5a4709bc8fc4483119cbbdafd61d51234420f011e39e255bf583aae778d

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
SignatureSIYL/Ipd9q4SWL9WoLdyZBZ62cf0sve+ZSA2ACIW5mUVVW0NV5ceSo49EqFmC5iXY3Iequ5bmMDBazLzaUnLBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:12:59.638590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012099
observed 13d485a59372111e00e2645fcdcccc53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:59.617007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012099/manifest.json
observed b0bdd5a4709bc8fc4483119cbbdafd61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:59.596026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012099/publication.md
observed f6cac2d69d41a79a34c17f9542a54049...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:59.577965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012099/publication.txt
observed 0487d9b4cc2f477dfb68c028545bd3a8...
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.