OpenTechnical

OT-2026-000079716

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, 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-2026-000079716) never changes.

Identity and time

Publication numberOT-2026-000079716 · never reused
Internal UUID01a0ae96-4375-7a56-aa71-4afd825248b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079716
StatusPUBLIC

Content hashes

Canonical text816248ef53a9e3b280cf731a1fca3394ac0878e01e2c76375d19634a6da32bb1
Markdowne0dca1ca5a88f975a18f704501f261acf3866a63f382a15def423ea8ef1af850
PDF
Publication page34bb6e18cd7f352fd6f20370fbc6202321237d96353f81287fc736cb33c7f399
Manifest0a834d849ce582567e39874fada046d5e89cd53e38acb040014e054d3081786f

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
SignatureYb7kDabfiVHA3c4KkU5LWiPgabi1roPMpsrP4FO5qnCqJiXEopFfn1fhbVvORnzxcd79ntIayJ4f+JJl1k3wBg==
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

2026-09-17T10:03:34.585635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079716
observed 34bb6e18cd7f352fd6f20370fbc62023...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:34.566588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079716/manifest.json
observed 0a834d849ce582567e39874fada046d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:34.547985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079716/publication.md
observed e0dca1ca5a88f975a18f704501f261ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:34.528194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079716/publication.txt
observed 816248ef53a9e3b280cf731a1fca3394...
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.