OpenTechnical

OT-2026-000074621

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, two 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-2026-000074621) never changes.

Identity and time

Publication numberOT-2026-000074621 · never reused
Internal UUID01a0ae93-ac2a-71fb-8466-2bef2de38082 · 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-2026-000074621
StatusPUBLIC

Content hashes

Canonical textcd39586e4c296205397c303bd580367bf0e5f432fe1d47c3b607c45ddc27f9b2
Markdown1e6427465d25ea0100f0e8ec06131a30fc82587964c70219969ada87df0e2c9b
PDF
Publication pageff65ebd65f63f64c390d4fb54795cdbe97be296af9c3c6b64edab6613f384ce8
Manifest984421c8477474b695d8b60b39c775e0ea776ae5170b910531cd0679aa0ecbd6

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
Signaturepw11uBVdN88+PpVdUs0HxYbL35VLzkMjIdzX+oqDB/5M/u5qPzfYdtBB5H8d0joUtF8SRZH+0DBgefJmSqkiBg==
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

2026-09-17T10:18:09.244749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074621
observed ff65ebd65f63f64c390d4fb54795cdbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:09.224296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074621/manifest.json
observed 984421c8477474b695d8b60b39c775e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:09.204812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074621/publication.md
observed 1e6427465d25ea0100f0e8ec06131a30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:09.058065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074621/publication.txt
observed cd39586e4c296205397c303bd580367b...
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.