OpenTechnical

OT-2026-000086291

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, single 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-2026-000086291) never changes.

Identity and time

Publication numberOT-2026-000086291 · never reused
Internal UUID01a0ae9a-2c95-75a9-a778-a556b63df0ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086291
StatusPUBLIC

Content hashes

Canonical text332fc2b94a41b611129c710fc039198638d55abcee08954c1dd1b29d7885fe9d
Markdown7533d252e130eab7e4f1c2f0d6ecdf083be6f4770de2849b939f7ddc082f600a
PDF
Publication page76c04cd2599225ffb6268a72b3690270718ca7ecc60d2b4392bc1ac955a04fc7
Manifest4bacef2b675ca230c07f5a6ab3114d99a4509788926089b94e095df94414a0b8

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
Signaturea45f9e9IzdlOUuus9HBi7hny+VPUAPgbyuH27x+FCm7N3suvOsjfZYdpareT3akw/telRafb2sv0uljyx1TbAw==
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

2026-09-17T09:51:58.069716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086291
observed 76c04cd2599225ffb6268a72b3690270...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:58.051098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086291/manifest.json
observed 4bacef2b675ca230c07f5a6ab3114d99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:58.030712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086291/publication.md
observed 7533d252e130eab7e4f1c2f0d6ecdf08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:58.011806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086291/publication.txt
observed 332fc2b94a41b611129c710fc0391986...
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.