OpenTechnical

OT-2026-000091415

Publication integrity record

Foam pad vacuum gripper, three 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-2026-000091415) never changes.

Identity and time

Publication numberOT-2026-000091415 · never reused
Internal UUID01a0ae9c-f16d-7d9f-9bcc-c659618128f8 · 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-2026-000091415
StatusPUBLIC

Content hashes

Canonical text66db6920145390ed1a0958092e67ebca6b3580fa9d6b522245a6c1f6a1cea3de
Markdown32b5e86cb3e0b6fadeb686de5c4e254bd4901eb8d2ed63fe350f14aa1d3f5b3c
PDF
Publication page6ac7d871d0075dd9b6f161e2f9621fc56bdae4fd4e95cd5f1651d0979825ba2b
Manifestdf04b440ac8912e6340c10e84fdc33defd9e9d9e1742e821a748569e7251d3b7

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
SignatureNrKvls1vF1r0WSE66ccLGNu9oJ41kpAsNpj1levJe/9lBCgwqVpVYo09NBMmNuOxCjlQ9e3dE4FmnrpLtzhgAg==
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

2026-09-17T09:43:39.014757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091415
observed 6ac7d871d0075dd9b6f161e2f9621fc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:38.998426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091415/manifest.json
observed df04b440ac8912e6340c10e84fdc33de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:38.980637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091415/publication.md
observed 32b5e86cb3e0b6fadeb686de5c4e254b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:38.964213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091415/publication.txt
observed 66db6920145390ed1a0958092e67ebca...
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.