OpenTechnical

OT-2026-000063211

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, pump fed, manifold pressure sensor, 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-2026-000063211) never changes.

Identity and time

Publication numberOT-2026-000063211 · never reused
Internal UUID01a0ae8c-94ab-7751-9d02-ef1358b39060 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063211
StatusPUBLIC

Content hashes

Canonical text69609b801bd4d500e5c1d2c9500b8af2ac480ec958fc525be9e16de8d44b253f
Markdown2f4e5a3c9a81784b0aa640d499e0e69445e4e7735986aadc50a1b27043c8a477
PDF
Publication page6c083d3fc02aee36c562a139335e761bab0fee6528cba569890b39ebbb34071a
Manifest06814ce0bcc0f9205c014f015b9c07a8d940ffad1103b0190dd093ac0c01c893

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
Signatureud8+VJFarqzLjRdXuFxGCtpAEuaO/blaPSAfbI6XoB9bSJt7EUZELC9TgnAIossJz/lZI3zKpErxh5GC3pipCw==
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

2026-09-17T10:39:05.150098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063211
observed 6c083d3fc02aee36c562a139335e761b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:05.131796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063211/manifest.json
observed 06814ce0bcc0f9205c014f015b9c07a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:05.112972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063211/publication.md
observed 2f4e5a3c9a81784b0aa640d499e0e694...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:05.092393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063211/publication.txt
observed 69609b801bd4d500e5c1d2c9500b8af2...
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.