OpenTechnical

OT-2026-000063767

Publication integrity record

Foam pad vacuum gripper, two zone face, single stage ejector, pressure sensor per zone, pulsed 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-2026-000063767) never changes.

Identity and time

Publication numberOT-2026-000063767 · never reused
Internal UUID01a0ae8c-f946-7cae-9b93-1c288ee0685e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063767
StatusPUBLIC

Content hashes

Canonical text3ba6fbc012d73aabdda547eca304bb96e89808ed1c5ea8cfb600f9a0ab711ba2
Markdownceffdd8317515eed2ee3e8968a800a6226967981dc73b9f5aab22a8fd2b10739
PDF
Publication page111870ea13e820e4e3efaebe0b4d38eeecac487039e4094c5e5a506f0f80a9f5
Manifest126cdc89a6e180e096780cb39620d3d16843586558de96be56f19bf7521c2316

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
SignaturepK7YZ8GRYuvbMoyX9Teb32dCfxZMbMXbHmLtlyzcl1RCAhi9jQnfUkdkwmZgIavZoo6LDodaWtOfh7pMl1JZDg==
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

2026-09-17T10:40:02.939966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063767
observed 111870ea13e820e4e3efaebe0b4d38ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:02.908260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063767/manifest.json
observed 126cdc89a6e180e096780cb39620d3d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:02.876351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063767/publication.md
observed ceffdd8317515eed2ee3e8968a800a62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:02.856325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063767/publication.txt
observed 3ba6fbc012d73aabdda547eca304bb96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:26.361561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063767
observed 111870ea13e820e4e3efaebe0b4d38ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:26.342089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063767/manifest.json
observed 126cdc89a6e180e096780cb39620d3d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:26.321948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063767/publication.md
observed ceffdd8317515eed2ee3e8968a800a62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:26.301310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063767/publication.txt
observed 3ba6fbc012d73aabdda547eca304bb96...
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.