OpenTechnical

OT-2026-000059144

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, sustained blow-off 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-2026-000059144) never changes.

Identity and time

Publication numberOT-2026-000059144 · never reused
Internal UUID01a0ae89-8612-727c-bf2b-05d9b10bffd2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059144
StatusPUBLIC

Content hashes

Canonical text635525d903b2709968ea6b87df4e5970973a5e06ad8ac978ec019b6d159bbe23
Markdown9898b27e364a5ad4e774c2e796792f3b2c333d694a9001b8f6e1acb2bb8fb4cc
PDF
Publication page93ab7e6cda68ed7fc066390f0351c07fc2d511abc3bf3e1dad4d231e6dfe3ca5
Manifestfb84f73df456c9abf60cb1e942b542b34cbe96e63cbe3887dad017a19b7e3877

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
SignatureJQ4UpkNHQjhY+x2PMuPplp5aSdwssILMzS/1qRFc46H4MLPwcgwPqE/gpO8R+T/KfquWAOrPmPKlOFXqs/maAQ==
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

2026-09-17T10:44:54.845082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059144
observed 93ab7e6cda68ed7fc066390f0351c07f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:54.826846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059144/manifest.json
observed fb84f73df456c9abf60cb1e942b542b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:54.784039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059144/publication.md
observed 9898b27e364a5ad4e774c2e796792f3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:54.736780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059144/publication.txt
observed 635525d903b2709968ea6b87df4e5970...
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.