OpenTechnical

OT-2026-000073327

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, single stage ejector, supply line 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-2026-000073327) never changes.

Identity and time

Publication numberOT-2026-000073327 · never reused
Internal UUID01a0ae92-efb7-7383-97cd-cf5198ed8aaf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073327
StatusPUBLIC

Content hashes

Canonical text655e6ceee88376d74b77803b123d68fd64f573a315496298129450280b3f271a
Markdown228879365c2e2763e5730f818d5e7571a9925f87933cf50a0e662df6a0b6b756
PDF
Publication page624f62b794947fa44c9c6820dea8fce66f0185812351e3c68dbb2477e3236138
Manifestf0527e974df7fd8d155648605fb810d58ffb3058e327925c75c8ce8a8994de05

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
SignaturetTXjqAvpSIOjfmgkKtZPVuCa7ZD83zY/BKhU0z+z51dPeOmvqLdKXjYLziTl1gX4w5TLH2dbx9LFiR4zWgpCCg==
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

2026-09-17T10:21:20.610763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073327
observed 624f62b794947fa44c9c6820dea8fce6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:20.590083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073327/manifest.json
observed f0527e974df7fd8d155648605fb810d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:20.570388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073327/publication.md
observed 228879365c2e2763e5730f818d5e7571...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:20.550307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073327/publication.txt
observed 655e6ceee88376d74b77803b123d68fd...
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.