OpenTechnical

OT-2026-000092939

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000092939) never changes.

Identity and time

Publication numberOT-2026-000092939 · never reused
Internal UUID01a0ae9e-090f-77e0-a9ff-d890c0dbefba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092939
StatusPUBLIC

Content hashes

Canonical text0a4293aa14ae3d7d11a091dbfdbf86de28480e9d1a58cf71bb608f8864631b2d
Markdownc334f888a791fd30aae7899dcb09b694bd31613433dd45a2be6a8440b004077a
PDF
Publication page0dba997c8cb658acf1a65547ccc3396664162623503f80e75704e66ba38a61d5
Manifest5ceae82167d94caf65a6eea5f0f0aecee56604a5afd7cb9cde5306c501f5d7f1

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
SignaturepXmf8nJWBrTWN04rvL2hzTvNxcADXTUAY5FhLnp49c84vUWxoppH7gZHMTVyJN17wvxPmD9qAouXQV0tagDaDQ==
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

2026-09-17T09:40:03.460616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092939
observed 0dba997c8cb658acf1a65547ccc33966...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:03.442110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092939/manifest.json
observed 5ceae82167d94caf65a6eea5f0f0aece...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:03.425922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092939/publication.md
observed c334f888a791fd30aae7899dcb09b694...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:03.410799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092939/publication.txt
observed 0a4293aa14ae3d7d11a091dbfdbf86de...
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.