OpenTechnical

OT-2026-000061853

Publication integrity record

Two cup vacuum gripper, two 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-2026-000061853) never changes.

Identity and time

Publication numberOT-2026-000061853 · never reused
Internal UUID01a0ae8b-b8ac-7c99-9f9e-8073ad46a97c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061853
StatusPUBLIC

Content hashes

Canonical texte2a852a548907d4c06286593ad762cd1e46380646cd9458143bc30b890d86501
Markdown764794f73f4ca359c4706c805ea584bd411a4e0bb9b0797348fb12cd884993e7
PDF
Publication pageeb91fb4ebdb74a6ca407ca76dfc5d996f71bb7f83c6e90a33682bc071d7dbf95
Manifestc31146b378cbac2f6f7c9d259c0fcf8ea7224e4a5b35247b0aeef480795437dc

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
SignatureK/9cuFLOE0Mhbna4GpaqyQ7JwybcTLAtGBZN7unPrFSIVQNeua9cQ0hF6RNxGGZit7DR/cFS5bEoKuOpQIQsDA==
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

2026-09-17T10:40:42.376541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061853
observed eb91fb4ebdb74a6ca407ca76dfc5d996...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:42.358011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061853/manifest.json
observed c31146b378cbac2f6f7c9d259c0fcf8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:42.339182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061853/publication.md
observed 764794f73f4ca359c4706c805ea584bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:42.318861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061853/publication.txt
observed e2a852a548907d4c06286593ad762cd1...
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.