OpenTechnical

OT-2026-000079700

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single 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-2026-000079700) never changes.

Identity and time

Publication numberOT-2026-000079700 · never reused
Internal UUID01a0ae96-4375-73e5-94b1-1c804b85b0ec · 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-2026-000079700
StatusPUBLIC

Content hashes

Canonical text462af0ec30978646f35756c6baa2789b611fb82deec2a19031528d0e1f96c38a
Markdown201067e487b64f8d17bcd6dfc4af5ff2a868cc318e149720c0c11dbec0f99615
PDF
Publication page989c991d99c89495994093acc4e960b5b03f9b41d9c8cc3397652840c9754415
Manifesta884f4743786e1069f084f8c19fe473d18b55dbe2c0054cc0ad508e761ea0777

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
SignatureB6fKy0dvDHVE0dAGbF+BOjPb/ls4LOUSBtTjTh6tAX+n9/t2Em4AKWGTcJleKueo/4pS6WR9wOoHm0JAfFVKAg==
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

2026-09-17T10:03:28.442280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079700
observed 989c991d99c89495994093acc4e960b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:28.425549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079700/manifest.json
observed a884f4743786e1069f084f8c19fe473d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:28.407545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079700/publication.md
observed 201067e487b64f8d17bcd6dfc4af5ff2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:28.390943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079700/publication.txt
observed 462af0ec30978646f35756c6baa2789b...
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.