OpenTechnical

OT-2026-000081198

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, supply line 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-2026-000081198) never changes.

Identity and time

Publication numberOT-2026-000081198 · never reused
Internal UUID01a0ae96-f373-7e01-b575-d8bbcfc292fc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081198
StatusPUBLIC

Content hashes

Canonical text1d97d03aa506cf22d57b8fa50165ad5996cdc1970874424b7ea0333c073627b7
Markdown353493075ab5e3271952bb8855674a8ebc956ca87af5f306749cebabae78e992
PDF
Publication pageaa0f2ac7174b5a4c894784a0f8deb0d2afdaedc2c2ed82e1158b218cff688198
Manifestba2cd5ff43480514dbe243c82942c82118cb65d7cd8a29f2d2cd5ce4574c6493

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
SignatureqyVWEigSW2FQmfxZHHzNk6KlfzAk3dZ4Rvrr7Ltdy7/KtncYvTGB7m7+zZ2dn39Ngsp+oyIT/MIEiKNm+peEBA==
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

2026-09-17T10:01:16.256534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081198
observed aa0f2ac7174b5a4c894784a0f8deb0d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:16.240202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081198/manifest.json
observed ba2cd5ff43480514dbe243c82942c821...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:16.223342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081198/publication.md
observed 353493075ab5e3271952bb8855674a8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:16.207108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081198/publication.txt
observed 1d97d03aa506cf22d57b8fa50165ad59...
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.