OpenTechnical

OT-2026-000068902

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off after 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-2026-000068902) never changes.

Identity and time

Publication numberOT-2026-000068902 · never reused
Internal UUID01a0ae90-6dcc-7d34-a1e0-42e018bc2d01 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068902
StatusPUBLIC

Content hashes

Canonical textbb5abcc81448fc3b4411e39f0397c57269d3c57dd20eade94efacedc9dc029b4
Markdownf90c879163a3043003fd43f65a11fc485d0cc60c88e74019ea5ddc803d473466
PDF
Publication pagebec751845a30e7e30fb6de675a7d8b27091d59de904689704d6eba52193143b6
Manifest032f90342612f8ef9fe139f854b480b9edaaf85f949f3ab8fb1f7e1988868662

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
SignatureIqAcP17Zo/radeUg2BVEEWjJw4McZ/Qo4SGSWqwwzJJIxUQrV4PjfxsikJ01RXjm64zRy9vPCIJ3AoxCB+mODw==
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

2026-09-17T10:28:43.452555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068902
observed bec751845a30e7e30fb6de675a7d8b27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:43.435575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068902/manifest.json
observed 032f90342612f8ef9fe139f854b480b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:43.417817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068902/publication.md
observed f90c879163a3043003fd43f65a11fc48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:43.399784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068902/publication.txt
observed bb5abcc81448fc3b4411e39f0397c572...
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.