OpenTechnical

OT-2026-000087895

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, two stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000087895) never changes.

Identity and time

Publication numberOT-2026-000087895 · never reused
Internal UUID01a0ae9b-1aa5-7270-90fd-27959789ec6e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087895
StatusPUBLIC

Content hashes

Canonical texta73a34975075d34cdc9eef4471170516e8fcaee911eec01a53daba070ea85d5d
Markdown9c4e9125425219e5fd3aa4a0b6f408fdc1d1ccdda067e47ba6b9775b2d5e09d3
PDF
Publication pagee52d12702b7169acfbac8b3af68ad60ee0033acf69de0e2fa8f5da8ce9efa386
Manifest1050f2de3831081b116b259e2f77ecf6c8f78c303d96d5957115c7182bacb1dc

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
Signature1fcnLccN+/gQPi9dEIXscOWBvFzfv6S9r8Ccdy6U8wbTGqeuvXLkfpV+/nIrYiniwSF/qSr+Bc3C6V0uASq9Bg==
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

2026-09-17T09:49:06.564126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087895
observed e52d12702b7169acfbac8b3af68ad60e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:06.544792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087895/manifest.json
observed 1050f2de3831081b116b259e2f77ecf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:06.492671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087895/publication.md
observed 9c4e9125425219e5fd3aa4a0b6f408fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:06.449598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087895/publication.txt
observed a73a34975075d34cdc9eef4471170516...
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.