OpenTechnical

OT-2026-000083319

Publication integrity record

Foam pad vacuum gripper, three zone face, two stage ejector, sustained 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-2026-000083319) never changes.

Identity and time

Publication numberOT-2026-000083319 · never reused
Internal UUID01a0ae97-c964-7d93-9d88-d20e2d1d21c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083319
StatusPUBLIC

Content hashes

Canonical text4edb640fdf82bbf9de356ef319d619eb76c7f82ee389f3af283b625b61b986fd
Markdownba23f454ab7a8e5542e742693746de52bc360268e896106821a65a8dbebf5033
PDF
Publication page3c0734cfe2d526e52d206eba40e0e93c1623f744a4207f15500ef3bef2fbd445
Manifestfde9fc137a70290768a8825bdca40f9f0d8d15092348bc9e472042cb99baff82

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
Signaturery8ceOB7INKA/B0zk9Yy9J9jo2065hdVBxHzAwlvyRTfcewoL8arUGzdiio3jxTSXxKnIrLb03ttrQw6GKabBA==
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

2026-09-17T10:00:34.999422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083319
observed 3c0734cfe2d526e52d206eba40e0e93c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:34.980678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083319/manifest.json
observed fde9fc137a70290768a8825bdca40f9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:34.962678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083319/publication.md
observed ba23f454ab7a8e5542e742693746de52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:34.944797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083319/publication.txt
observed 4edb640fdf82bbf9de356ef319d619eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:42.829706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083319
observed 3c0734cfe2d526e52d206eba40e0e93c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:42.812807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083319/manifest.json
observed fde9fc137a70290768a8825bdca40f9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:42.797793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083319/publication.md
observed ba23f454ab7a8e5542e742693746de52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:42.781859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083319/publication.txt
observed 4edb640fdf82bbf9de356ef319d619eb...
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.