OpenTechnical

OT-2026-000074693

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, manifold 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-2026-000074693) never changes.

Identity and time

Publication numberOT-2026-000074693 · never reused
Internal UUID01a0ae93-ac2b-7656-8ff5-07ccbf208c4e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074693
StatusPUBLIC

Content hashes

Canonical text4196e86a9cc7f1b2170c585ec35bc897a0bfdfe6dc84878c43f0059bba9fc00f
Markdowne993a217a09bd3a71c52a72b4ef72a10c24f463f3cc242ad215e19eb75573564
PDF
Publication pageb834293baff10c740e761c47e9d848c7a8e893aebf468e1350f7f71e97aad31d
Manifest7307d16581bcb0c184b8c4d74abc76a5fce4c934dfdb65dee1fe09f790a8ecd8

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
Signature55hfG1VFNYMxFDPigzRRW/i34wwiybi8QM03nZQd8VEv687XUmMCWfz/UGhXAFQPIbQp5OaDzNs6xAxfgT70Ag==
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

2026-09-17T10:18:16.908735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074693
observed b834293baff10c740e761c47e9d848c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:16.891886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074693/manifest.json
observed 7307d16581bcb0c184b8c4d74abc76a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:16.872434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074693/publication.md
observed e993a217a09bd3a71c52a72b4ef72a10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:16.852953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074693/publication.txt
observed 4196e86a9cc7f1b2170c585ec35bc897...
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.