OpenTechnical

OT-2026-000079302

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, 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-2026-000079302) never changes.

Identity and time

Publication numberOT-2026-000079302 · never reused
Internal UUID01a0ae96-0b90-76ad-9cce-4828d00154ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079302
StatusPUBLIC

Content hashes

Canonical text2efcd0f8bb74427d1614be19296c697f19e3c83f0d5b2c28a52f0604556a1b3e
Markdown25473da403e3075da17bbff41842419cd24a997564b1d18efcc4fa4013f4efcf
PDF
Publication page635dfdf710e392f00ae3af463518585522692490a38765c651f20bd5c4dbb459
Manifest9049a8862fba6213c24d191c0a57f57bd89be4d39c41f6311b8c1b73cbfc0db7

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
SignaturezVwjjKHikeIW34P3R20xSQz/AndXjWoT3fWIGZDxUmUygzhoghw4aTAuln99Go8lzac/ZlNKjaejLaXemTYLBg==
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

2026-09-17T10:04:54.794084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079302
observed 635dfdf710e392f00ae3af4635185855...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:54.775832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079302/manifest.json
observed 9049a8862fba6213c24d191c0a57f57b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:54.756983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079302/publication.md
observed 25473da403e3075da17bbff41842419c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:54.740475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079302/publication.txt
observed 2efcd0f8bb74427d1614be19296c697f...
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.