OpenTechnical

OT-2026-000103591

Publication integrity record

Foam pad vacuum gripper, four zone face, single stage ejector, pulsed blow-off after set-down

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-2026-000103591) never changes.

Identity and time

Publication numberOT-2026-000103591 · never reused
Internal UUID01a0aea4-e461-7356-87f7-eda3b05e028a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103591
StatusPUBLIC

Content hashes

Canonical text59b6a8561d4f1d0c567458556836e4b7f2bac323d098b47285afa2c16382e7a2
Markdown360ab2d80f871b467708ca54a9e315f3b99d84c480b1083d918f0207690bf13e
PDF
Publication page61bdac3dfc284faad956447e0d89607f80d31c4bbcd3a7ae9e7936ac15da4e5a
Manifestb510cd83fc1e01de1fff1d5f0283ea14306530a56fac78bd353b4c42c9ae4dce

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
SignatureAtpX/DaMqu54T++vyWo/aHl0wKnl1NnHe1MxULmHS4sqQFSx9fkGpcc/+FtDHzpwe9Z48ciRYwnmH5mPQYFXCQ==
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

2026-09-17T09:22:22.684031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103591
observed 61bdac3dfc284faad956447e0d89607f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:22.668476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103591/manifest.json
observed b510cd83fc1e01de1fff1d5f0283ea14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:22.651569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103591/publication.md
observed 360ab2d80f871b467708ca54a9e315f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:22.634165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103591/publication.txt
observed 59b6a8561d4f1d0c567458556836e4b7...
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.