OpenTechnical

OT-2026-000068482

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, manifold 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-2026-000068482) never changes.

Identity and time

Publication numberOT-2026-000068482 · never reused
Internal UUID01a0ae90-2481-709b-9838-949bac89af02 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068482
StatusPUBLIC

Content hashes

Canonical text86d55c31c7f8197f19b4f3e832300cdfdb471001b7b5e2973bdf913548b564d4
Markdown4443bfdde0dc146b1ef176877facbbb829090b4feda363f76f213acb053ffb57
PDF
Publication page69b6c2995fad1cf273cc509d6c199f49166188313d9eb7d97f06abccdc3ec786
Manifest8b6d36fe87082418405c9e1f94432335f648b29cd632471071028a202440eb36

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
SignatureHapMBtsFz3WZyjEeC3Pqw3SEnlCaOivBGOVJZ/kZPRBswMvuFAV4cOT5jz/UgjfAngmcNxdw8to+2hVqbpREDQ==
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

2026-09-17T10:29:38.076928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068482
observed 69b6c2995fad1cf273cc509d6c199f49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:38.059767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068482/manifest.json
observed 8b6d36fe87082418405c9e1f94432335...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:38.042179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068482/publication.md
observed 4443bfdde0dc146b1ef176877facbbb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:38.025480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068482/publication.txt
observed 86d55c31c7f8197f19b4f3e832300cdf...
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.