OpenTechnical

OT-2026-000068880

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented after 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-2026-000068880) never changes.

Identity and time

Publication numberOT-2026-000068880 · never reused
Internal UUID01a0ae90-6dcc-7040-bcf0-77464695fbaa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068880
StatusPUBLIC

Content hashes

Canonical textb5661e04b29385030ec37efd45b41c4b3fd47e9c8e301d89afe43adf1d9b7f2d
Markdown0a784cf0ca6381f2d929a0ee4bd27c13ba70ba48eaac8456acdae019f9db9d28
PDF
Publication pagecf64e05839c24a4d9b751296c5a9e5d49e3c7e46bcfe21971cc7481e704ef748
Manifest07bb3659862592e94f4c779113ca8de983d7d2c1b8edb9ab24f956944bf17d0a

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
SignatureOUYK+9qQz0i4tFRoTgFqoI34C17Vfpo+WynQHC7nlx4uGs7+aQVcmRAw9tWqyKpAPwXCjiQkSM/uezYBHXHbAg==
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

2026-09-17T10:28:41.789395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068880
observed cf64e05839c24a4d9b751296c5a9e5d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:41.772629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068880/manifest.json
observed 07bb3659862592e94f4c779113ca8de9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:41.755854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068880/publication.md
observed 0a784cf0ca6381f2d929a0ee4bd27c13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:41.739035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068880/publication.txt
observed b5661e04b29385030ec37efd45b41c4b...
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.