OpenTechnical

OT-2026-000071247

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, single 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-2026-000071247) never changes.

Identity and time

Publication numberOT-2026-000071247 · never reused
Internal UUID01a0ae91-e0ec-7304-b1ff-dfb5a99ebe39 · 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-2026-000071247
StatusPUBLIC

Content hashes

Canonical text3f1b3f2f18d38e3d839a4c91281bfb7dc20cd606c7f65deae67626c21848b163
Markdown304852269e9f2f319192f6ea8898c1e5a438e805e102f1dee001066c6cd69432
PDF
Publication pagef61635c2f29ac42bbb1f86a6ed9a322273064e4caa30e02011a6fb4408d32313
Manifest2eefb663e51ffcf940dd78e6aef6e51a8045b4b7f3fe43ab94509333faebe003

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
SignaturenklJvfT2KZqJdae/WsrgCxfrRH1Dq/DHnqit+6xoByIxSnvkyef2k6NF26iMctKfXIYQ8JI7sHa9w2ZtY9pZDg==
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

2026-09-17T10:24:47.968721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071247
observed f61635c2f29ac42bbb1f86a6ed9a3222...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:47.951378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071247/manifest.json
observed 2eefb663e51ffcf940dd78e6aef6e51a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:47.931992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071247/publication.md
observed 304852269e9f2f319192f6ea8898c1e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:47.913893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071247/publication.txt
observed 3f1b3f2f18d38e3d839a4c91281bfb7d...
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.