OpenTechnical

OT-2026-000081176

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line 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-2026-000081176) never changes.

Identity and time

Publication numberOT-2026-000081176 · never reused
Internal UUID01a0ae96-f373-794d-96d6-63d0ee8537a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081176
StatusPUBLIC

Content hashes

Canonical textbe830452cbc03a564d9593f017570f9b30379e4e3136a1ae156d3777ac16f96a
Markdown896bac5fc42460f7760fc81c45cb77c622b39e5a9e7ce70af5cd20bd7948cbfc
PDF
Publication page83822f7e062ff97e33f9780eaaed733be6bb4c8e7b5f2a3224410834983624ca
Manifeste71eba1127729ac4c61057a370da920a545504ca79019feb02fbecfa94cebcd4

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
Signature58qMVcLVohyG7g+xolKZ/b97u4HMTz8dpc5f7DzIU67e64H/qOaPy3nRpgOAIG2kaLy6zIM1SjwT4+llIiQcCQ==
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

2026-09-17T10:01:14.502259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081176
observed 83822f7e062ff97e33f9780eaaed733b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:14.476870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081176/manifest.json
observed e71eba1127729ac4c61057a370da920a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:14.456556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081176/publication.md
observed 896bac5fc42460f7760fc81c45cb77c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:14.434787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081176/publication.txt
observed be830452cbc03a564d9593f017570f9b...
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.