OpenTechnical

OT-2026-000091312

Publication integrity record

Foam pad vacuum gripper, two zone face, three 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-2026-000091312) never changes.

Identity and time

Publication numberOT-2026-000091312 · never reused
Internal UUID01a0ae9c-f16c-7ec9-8965-d9dc09e7a418 · 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-2026-000091312
StatusPUBLIC

Content hashes

Canonical text30ccd24326e1d6b6bc966361c1189302e52773964582fb5e1b92bd12677e868c
Markdown9d12caae7a2f1cf8f29c87269aa0130b888a3f5b4502a1457ef1e1465e158d8f
PDF
Publication paged542572685d03025084eea743fb961b02e49c28e14d52a5eb55735c60a7ebb91
Manifestccb206ce90be0d96ee1ac00b4c4889124b4d712ce5ccb6393a7ba97000818b3f

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
SignatureiIvbscEvcS6olEuuVOB8NEi10oOhO+6LiEIzrkT6Z+vMyX8Buh+YJeDJJVHoPXZKm9igiPYLzmNmSb7JBtbQCg==
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

2026-09-17T09:43:30.861439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091312
observed d542572685d03025084eea743fb961b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:30.843050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091312/manifest.json
observed ccb206ce90be0d96ee1ac00b4c488912...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:30.826174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091312/publication.md
observed 9d12caae7a2f1cf8f29c87269aa0130b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:30.806699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091312/publication.txt
observed 30ccd24326e1d6b6bc966361c1189302...
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.