OpenTechnical

OT-2026-000068864

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000068864) never changes.

Identity and time

Publication numberOT-2026-000068864 · never reused
Internal UUID01a0ae90-6dcc-7d24-b29f-959f0d4a6468 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068864
StatusPUBLIC

Content hashes

Canonical textf03448aad1c421e292ea3c5b654a34492c6e14ea98d370f223d510f807c6726c
Markdown44a4d565a10bdcfff0a73a5be2b896a9400241fefddb02c7335c76234c8c054e
PDF
Publication page7185459c84aa47a3e5a287f338bde9bc870f37bd3a8e4e284fb509b83819902a
Manifest1d77359fa3004adc595e7ade3bcb49c008c122e5479172818b7cc9ab591fda9c

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
SignatureXLS1QfHr/71EGIekcsBfRUGZHhdq7VQWSl8daFYMcL39IAaweAdUxA8BHBTCQnb7hw2u3Pe4MBTaLOznMkuGBg==
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

2026-09-17T10:28:40.649598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068864
observed 7185459c84aa47a3e5a287f338bde9bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:40.633623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068864/manifest.json
observed 1d77359fa3004adc595e7ade3bcb49c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:40.617483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068864/publication.md
observed 44a4d565a10bdcfff0a73a5be2b896a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:40.600059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068864/publication.txt
observed f03448aad1c421e292ea3c5b654a3449...
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.