OpenTechnical

OT-2026-000083905

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, 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-2026-000083905) never changes.

Identity and time

Publication numberOT-2026-000083905 · never reused
Internal UUID01a0ae98-0418-7768-a974-3ed188ad7811 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083905
StatusPUBLIC

Content hashes

Canonical text06976f1a284b0f235a3c02a53a66846ab666b438b591b050ee0acccfba3fe2a3
Markdown38e0c17c359dec91cabdc0638827dce36aec2100874e3684cad0695819a80b0b
PDF
Publication page770a94041bc5c86144e6502605ec8e709fcb1bff6d6e0363c8501c623033feec
Manifest9a429f9546cdd89d99708cf6f3578e4be95f69d162dc959303e86d876aa6a9e8

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
SignatureAzX/rl9Zczqd0iw4JswOewLNJC3tdpHrjFayF4RLVQk7j+1THuM05ucKTU3Y2R1HuVCq8PsHDPD7JlTW5OwoDQ==
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

2026-09-17T10:00:23.265227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083905
observed 770a94041bc5c86144e6502605ec8e70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:23.233847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083905/manifest.json
observed 9a429f9546cdd89d99708cf6f3578e4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:23.206302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083905/publication.md
observed 38e0c17c359dec91cabdc0638827dce3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:23.182925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083905/publication.txt
observed 06976f1a284b0f235a3c02a53a66846a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:34.482351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083905
observed 770a94041bc5c86144e6502605ec8e70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:34.463963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083905/manifest.json
observed 9a429f9546cdd89d99708cf6f3578e4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:34.444523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083905/publication.md
observed 38e0c17c359dec91cabdc0638827dce3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:34.425532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083905/publication.txt
observed 06976f1a284b0f235a3c02a53a66846a...
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.