OpenTechnical

OT-2026-000067672

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, 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-2026-000067672) never changes.

Identity and time

Publication numberOT-2026-000067672 · never reused
Internal UUID01a0ae8f-6bdb-75b5-9354-3d462a3dad5b · 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-2026-000067672
StatusPUBLIC

Content hashes

Canonical textec7652aa97e170806d988f0bc389f870bd1d65f29b18692f17a706531c81da32
Markdownf122686133168a530d2a7034a2f0a7e84f70e411f74a43f2eed434254a2ef409
PDF
Publication page004bd1d53bcafbdf0ff53afa77e43da114818089b3003e53cfb03854819383d5
Manifest961359903216ffad0928aee6d996ff0efd19e1ef35eee413d494c0998f31ab28

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
SignaturegiQzU2Kut8Ac+x/hT/yU/MJv1F5z86QdDu6UilIbJQ8s8vGsqWgp1mi9u/MJUFeYhntkSX/2+49GBSREeAT+BQ==
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

2026-09-17T10:32:00.380795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067672
observed 004bd1d53bcafbdf0ff53afa77e43da1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:00.362287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067672/manifest.json
observed 961359903216ffad0928aee6d996ff0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:00.344879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067672/publication.md
observed f122686133168a530d2a7034a2f0a7e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:00.327443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067672/publication.txt
observed ec7652aa97e170806d988f0bc389f870...
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.