OpenTechnical

OT-2026-000075800

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000075800) never changes.

Identity and time

Publication numberOT-2026-000075800 · never reused
Internal UUID01a0ae94-29fe-766f-8bfd-331a32667958 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075800
StatusPUBLIC

Content hashes

Canonical text1c87f8aa6368a89a2b58daaa7c5edc132a5c3e9a32dd328bfdbb9b07341af9c0
Markdown6adae5cf6bb776ce6680fd209b9c6e7b84f4f73f13ba440734f7d85ea3f28efb
PDF
Publication pagea5b825ad6c533d9182fbb7cc700d90d5bd655844ed6b11e99383a0c77860cd56
Manifesta04425ae4693c3af454ebf54d1af14a64e38061d61f69b998ec1cf40f48d92fe

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
Signature0SBXeE5TTEEVE1/iMzQpVWjhl80OHLL1efgrpDm5JGJutDGYpW9yQcsEKzqFORCAjyPZQTC99fSgJgMGaZ7dBQ==
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

2026-09-17T10:14:17.487739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075800
observed a5b825ad6c533d9182fbb7cc700d90d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:17.470362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075800/manifest.json
observed a04425ae4693c3af454ebf54d1af14a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:17.453091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075800/publication.md
observed 6adae5cf6bb776ce6680fd209b9c6e7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:17.312924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075800/publication.txt
observed 1c87f8aa6368a89a2b58daaa7c5edc13...
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.