OpenTechnical

OT-2026-000085191

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, three 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-2026-000085191) never changes.

Identity and time

Publication numberOT-2026-000085191 · never reused
Internal UUID01a0ae99-43ba-7200-81dd-d4779771edb2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085191
StatusPUBLIC

Content hashes

Canonical text4788f591f05a56f3e834d13a9e813aa7d9d6b5637e7779bc50cf94c9adafee9b
Markdowncc79192418300522158ce610c2c14d33291e4b63738db8a3474d1841403f77cf
PDF
Publication page3813f7ebea6957bd646f0a2dbff1603b9a88d21a0992d75c8313ade3118897b5
Manifest463f7fc87e8f699108ca0084c48002c1c9272285093ff78282f6de02d79ac6e6

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
SignatureMAWjRKJPIrOfiewT4t+iDOhdzkBNzhZga/FlCcghV+jZB+NWmTZandZoS+DHlZ2oOV2moessG/hvAXRGjfUIDA==
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

2026-09-17T09:55:16.695366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085191
observed 3813f7ebea6957bd646f0a2dbff1603b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:16.676853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085191/manifest.json
observed 463f7fc87e8f699108ca0084c48002c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:16.659368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085191/publication.md
observed cc79192418300522158ce610c2c14d33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:16.641562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085191/publication.txt
observed 4788f591f05a56f3e834d13a9e813aa7...
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.