OpenTechnical

OT-2026-000091524

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000091524) never changes.

Identity and time

Publication numberOT-2026-000091524 · never reused
Internal UUID01a0ae9c-f16e-7114-8e1f-0ce7624dcb93 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091524
StatusPUBLIC

Content hashes

Canonical text2e15939c83f36b4ef152b2175308fdf95d53d6f224216f2c4f9342b2cd1155ba
Markdown151c47fc35a78ab9291dda424aef6c9de8b71af803d634008e38894d2444119d
PDF
Publication page61431cdb4cfb6db9e6e09cfd9885d52547542e5eaa7fe93971478bdbefb44176
Manifest13253ce5420852eb31f8538d1a62c0d6d215e03b804c54f47e2e46cd15d6e0b8

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
SignaturetPxt3R0Umz+yLK1iiTUP44dTiYJtVNV29QDjtJasDk67b9D82iERoqXKRbXG6Uew7YOFzsPhQSruVWmpFKSDCQ==
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

2026-09-17T09:43:47.410363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091524
observed 61431cdb4cfb6db9e6e09cfd9885d525...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:47.392639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091524/manifest.json
observed 13253ce5420852eb31f8538d1a62c0d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:47.375476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091524/publication.md
observed 151c47fc35a78ab9291dda424aef6c9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:47.358232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091524/publication.txt
observed 2e15939c83f36b4ef152b2175308fdf9...
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.