OpenTechnical

OT-2026-000067430

Publication integrity record

Foam pad vacuum gripper, two stage ejector, supply line pressure sensor, vented after set-down

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-2026-000067430) never changes.

Identity and time

Publication numberOT-2026-000067430 · never reused
Internal UUID01a0ae8f-6bd9-7649-a6f2-d29b0c702740 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067430
StatusPUBLIC

Content hashes

Canonical text891ddbf44a821b9a329fad04d8ea2f8d91d82ace3f3107d7bb6915a142becce7
Markdown7a617d63436dd5066bbfd4a7c76ed4de933643cdf8217e1e397620e3121316a8
PDF
Publication page1f14530cbc8f8c49ff4158678ee91211086201e7b40de1e1617d6e8dcd1d1625
Manifestf1e5e8e1c4ce5ac072b12c4f0318ca16acb32723bf044b3e6cd21667290ca543

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
Signature7DH2DnjUTPOPmPlwpKEFTSIqTiC4KnO4npsppqTNEF0LZ5XtevyNsCNEs0oKEmkEuRYtl4AxA4JI8De9D4C5Cg==
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

2026-09-17T10:31:37.821116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067430
observed 1f14530cbc8f8c49ff4158678ee91211...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:37.804306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067430/manifest.json
observed f1e5e8e1c4ce5ac072b12c4f0318ca16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:37.787909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067430/publication.md
observed 7a617d63436dd5066bbfd4a7c76ed4de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:37.770008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067430/publication.txt
observed 891ddbf44a821b9a329fad04d8ea2f8d...
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.