OpenTechnical

OT-2026-000081949

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, 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-2026-000081949) never changes.

Identity and time

Publication numberOT-2026-000081949 · never reused
Internal UUID01a0ae97-0f77-7662-b24c-194ef57eef4b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081949
StatusPUBLIC

Content hashes

Canonical textdd5a64b6406bbef0fd7b8b87f16a7fe4580d4448949d2c16fcb363c72c62eda4
Markdown5cc457c6612cdf63e3ddf97dd98139972e439c455f95ebd5a009e181806fc32f
PDF
Publication page06298f5e68ccca0bd0aace0d630ac177dd8de9d3545c3ffa3edf57d372ce8631
Manifestcbbb2c20e9f8a52b4d3cfc068dc4b974a0b957739ec9011d3fde979a04349a61

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
SignatureanhxmzNX7DFCKDtceNRDy5F0JowliySDiLXRBO8BuKydalyyP11A18Y6NC4bHGFvIqGmbmE8rzAI9EmpwjloCg==
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

2026-09-17T10:01:05.017503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081949
observed 06298f5e68ccca0bd0aace0d630ac177...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:05.000646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081949/manifest.json
observed cbbb2c20e9f8a52b4d3cfc068dc4b974...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:04.984104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081949/publication.md
observed 5cc457c6612cdf63e3ddf97dd9813997...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:04.967077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081949/publication.txt
observed dd5a64b6406bbef0fd7b8b87f16a7fe4...
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.