OpenTechnical

OT-2026-000082796

Publication integrity record

Single bellows cup vacuum gripper, pump fed, supply line pressure sensor, vented after 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-2026-000082796) never changes.

Identity and time

Publication numberOT-2026-000082796 · never reused
Internal UUID01a0ae97-8cc9-77ef-ab9d-e0fd2204d215 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082796
StatusPUBLIC

Content hashes

Canonical textd61fbd91048f776817782693857b6921156e2a5f7d393d6923abd9bcd11568f6
Markdown0f13b6a61bbdcb4039279f5e26236a58c075518723909d90650e8b2870efedcf
PDF
Publication page605aa5c94a2e781244b56cf8fa37b16b2c68b699303cb5615c0e85376881b7d6
Manifest2228e77645a76591586ad32f5422f0c672ff14024ce0e9403145b966662d515e

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
SignaturePrShFYmlSU9xoyxrB7GO+VjnOxNLs4te5C/R1Rr2irQni7+o7bh5Q9KylhDlh4fcXIUPmHKmHU5Jcg+QqdksDg==
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

2026-09-17T09:58:23.293838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082796
observed 605aa5c94a2e781244b56cf8fa37b16b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:23.277120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082796/manifest.json
observed 2228e77645a76591586ad32f5422f0c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:23.260968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082796/publication.md
observed 0f13b6a61bbdcb4039279f5e26236a58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:23.243715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082796/publication.txt
observed d61fbd91048f776817782693857b6921...
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.