OpenTechnical

OT-2026-000069843

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000069843) never changes.

Identity and time

Publication numberOT-2026-000069843 · never reused
Internal UUID01a0ae91-185f-7071-9217-e112cabe5f78 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069843
StatusPUBLIC

Content hashes

Canonical text9787910347a82a511938c12971e554796c58087dd777060b79ed61ddf806eb76
Markdownd1a3c8454320bd8aaf86f73ae43b895de9801b46d8435e8e52f267dbcbe7acad
PDF
Publication page84e2ee7ac612aaa5aacac22081f59a871df5c7668051b378c13df8e4d40d2a5e
Manifestdcfbf5e16b412db991b5b187446affa557f1db49e736bbb619ce0d9bb74f034f

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
SignatureEeS/HTPfkhFtg3vZ2wc0oAqjo5Cwr39aHkh06Eu6X8JhTdxIIIJAfLVsV9dkz6XrorFWgNuBDSwz54PZVm4BBw==
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

2026-09-17T10:26:40.487120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069843
observed 84e2ee7ac612aaa5aacac22081f59a87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:40.470422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069843/manifest.json
observed dcfbf5e16b412db991b5b187446affa5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:40.450970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069843/publication.md
observed d1a3c8454320bd8aaf86f73ae43b895d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:40.433182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069843/publication.txt
observed 9787910347a82a511938c12971e55479...
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.