OpenTechnical

OT-2026-000101539

Publication integrity record

Foam pad vacuum gripper, two zone face, two 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-2026-000101539) never changes.

Identity and time

Publication numberOT-2026-000101539 · never reused
Internal UUID01a0aea4-0e15-77ad-8251-7564faaea085 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101539
StatusPUBLIC

Content hashes

Canonical texte2f6fd4f1a6746ca33a0c45802b1d04f40bfea82dc5ecaef66ba1b311583622a
Markdown423050ea6f14ad0a9e44c2b85dc084d4a1976362854176ce987479bbc236a52f
PDF
Publication page5c3685d89eea722128f4c6e11c23dabd15337a165b75ffa6b12c154fe811534c
Manifestcf858a8a0855e6cb69ceb1780021a8aad9595756607a448e655bbd22bb232f74

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
SignaturekHFVeEzKEVAVmfLklB86YJZZ/14jq0zjCwTsW1mpWq/JDtQqYrct27fQh57P89rMUsmwbCYm2Ouk5FAjJBrfBw==
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

2026-09-17T09:25:34.791142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101539
observed 5c3685d89eea722128f4c6e11c23dabd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:34.773000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101539/manifest.json
observed cf858a8a0855e6cb69ceb1780021a8aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:34.754569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101539/publication.md
observed 423050ea6f14ad0a9e44c2b85dc084d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:34.737020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101539/publication.txt
observed e2f6fd4f1a6746ca33a0c45802b1d04f...
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.