OpenTechnical

OT-2026-000011705

Publication integrity record

Single cup vacuum gripper, pump fed, 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-2026-000011705) never changes.

Identity and time

Publication numberOT-2026-000011705 · never reused
Internal UUID01a0ae6d-1940-771d-a8cc-0675e37cef35 · 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-2026-000011705
StatusPUBLIC

Content hashes

Canonical textd97ace8406e48c09d87bc6bbb4eae2000b2023409dfa1e2fba44e9e5c5ce2a5a
Markdown1f9b50bfd75b0518613eed1a8b88bc1432c74b209b6452ae9ab515214a6d4454
PDF
Publication pagef9b45f72c73a8afd33b5247f682af01d8ef8d976729618a3d404032e66fe32f8
Manifestfb852909b6febd3b7df02698c24f4e242a44978fb52baa790efd5f6193edd66e

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
SignatureGrYpCm9CDa2lbDaMBbE5AQ5g1zMDfEo2y2rPfSfrf/bnuf2+83sDXQFxaZ/eugzq8b3PKFT6SUSMQ1POvBF9DA==
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

2026-09-17T12:12:18.807939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011705
observed f9b45f72c73a8afd33b5247f682af01d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:18.789665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011705/manifest.json
observed fb852909b6febd3b7df02698c24f4e24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:18.770404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011705/publication.md
observed 1f9b50bfd75b0518613eed1a8b88bc14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:18.751214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011705/publication.txt
observed d97ace8406e48c09d87bc6bbb4eae200...
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.