OpenTechnical

OT-2026-000071457

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000071457) never changes.

Identity and time

Publication numberOT-2026-000071457 · never reused
Internal UUID01a0ae91-e0ed-7dbe-b02e-e0642808067b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071457
StatusPUBLIC

Content hashes

Canonical text12409daed5b2ef15a27e1e6ef7fb41686906b111afab82235ce66990ef122261
Markdown1b2c1478774b95a834e8fa9ae4e3e6701dd44753db7e5d8bcb8d20e0b602d38b
PDF
Publication page2cc89cee830d15cbadac1710b90b52f99c3c25082099cbfcfcf46409717ed2b6
Manifest01377c9cd4fe8a31549cb6c95b013fb2b8ea109c7d3d9db98be6898ac07ebc1c

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
SignatureOx/BZ9S7n463+KRhZm3V0QQ2pCqOmhvFZ0zCOGwDiOHVChD7e/4sflm1sGxnEPT2PAq71Eve1eOKQ5N2bZm8Ag==
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

2026-09-17T10:25:05.857728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071457
observed 2cc89cee830d15cbadac1710b90b52f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:05.840626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071457/manifest.json
observed 01377c9cd4fe8a31549cb6c95b013fb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:05.822455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071457/publication.md
observed 1b2c1478774b95a834e8fa9ae4e3e670...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:05.805182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071457/publication.txt
observed 12409daed5b2ef15a27e1e6ef7fb4168...
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.