OpenTechnical

OT-2026-000074669

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, three stage ejector, 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-2026-000074669) never changes.

Identity and time

Publication numberOT-2026-000074669 · never reused
Internal UUID01a0ae93-ac2b-7c1b-abb6-f9a9728c1cb8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074669
StatusPUBLIC

Content hashes

Canonical text3b9a65f453f0367c18f7fbd10a46ddb66522aeedda44e6ca49a8cd2782a547c4
Markdown7c94b4da233a9f2a422df1e39d763ab52af5347a35abfd0e35efa1fa6cb63cd3
PDF
Publication page0965849eb519b07275ed44764b3982777b21ab9065d52f0128434344728cfa0d
Manifest928f79d8d686ea78197a4be2e464e36ba783de7b389020fe8b50653a5e56d097

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
SignatureD4yNzQz8LmDduGe7I2seFhrl6eMm4tRJq6HUBoKyXUXFM6l7ip3ME5OmkQaxQlnowTdF29hyyDPnivxao9ZnDA==
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

2026-09-17T10:18:15.016025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074669
observed 0965849eb519b07275ed44764b398277...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:14.996581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074669/manifest.json
observed 928f79d8d686ea78197a4be2e464e36b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:14.976874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074669/publication.md
observed 7c94b4da233a9f2a422df1e39d763ab5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:14.958107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074669/publication.txt
observed 3b9a65f453f0367c18f7fbd10a46ddb6...
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.