OpenTechnical

OT-2026-000077648

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-2026-000077648) never changes.

Identity and time

Publication numberOT-2026-000077648 · never reused
Internal UUID01a0ae95-2ecf-798f-bc3e-8f48d95bc654 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077648
StatusPUBLIC

Content hashes

Canonical text67c0a41b29dfa4f6a6dfef9c32002921546694b28e90155a58427aa2697498ee
Markdown259fe428dce2d267c9c4583c05b612df7fd715e46c7690b0197c04c19a0a18ed
PDF
Publication pagea3b4953442c8c1833e584355ecacc097cda0556a59ca1b7f9296ccef1be6f521
Manifestca53806c1ed171fe9222bbf40a3b588f4a12e81b1c5b27357cb3f4daa599abf1

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
SignatureEv4tPJAczl0rAC8M0M3zrdJvoNIrY1L3mzDZpA4mp/fNeDVFilW2cQOVC2cVottLyIlo+NYHgikSYYwaB/v+Bg==
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

2026-09-17T10:06:54.912399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077648
observed a3b4953442c8c1833e584355ecacc097...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:54.893418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077648/manifest.json
observed ca53806c1ed171fe9222bbf40a3b588f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:54.874377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077648/publication.md
observed 259fe428dce2d267c9c4583c05b612df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:54.856265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077648/publication.txt
observed 67c0a41b29dfa4f6a6dfef9c32002921...
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.