OpenTechnical

OT-2026-000060978

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single 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-2026-000060978) never changes.

Identity and time

Publication numberOT-2026-000060978 · never reused
Internal UUID01a0ae8b-12f3-774c-810a-32f86d5bfd08 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060978
StatusPUBLIC

Content hashes

Canonical textf8b5eb91af4101176242e58dd0dada24faff88997c4bf5b3c53fe3f58f7ec469
Markdown0142c36f7e993b9cb78e544374b59685a3f79d84c864f6ecafdffa2c38d04a03
PDF
Publication page6999169aa7e255e67500fef629b40c9d944247bc98bc5e4ee3a252184d48ea85
Manifest7edc933825458d67771ef3521b6018d964be599b0c49230229df67bb64d231d7

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
SignaturedABnYbO3TCyRzSHOlTpZjGFrdX5b1neEpRPa89ehuE/bAtX1Ps/BWsccqAXBW8MbF+mIB4N10LVoScavC44qAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:15.719669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060978
observed 6999169aa7e255e67500fef629b40c9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:15.702958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060978/manifest.json
observed 7edc933825458d67771ef3521b6018d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:15.684361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060978/publication.md
observed 0142c36f7e993b9cb78e544374b59685...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:15.666187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060978/publication.txt
observed f8b5eb91af4101176242e58dd0dada24...
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.