OpenTechnical

OT-2026-000072392

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, vented 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-2026-000072392) never changes.

Identity and time

Publication numberOT-2026-000072392 · never reused
Internal UUID01a0ae92-89d7-7140-b5a1-dac60890f8b7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072392
StatusPUBLIC

Content hashes

Canonical text6c37f772c1ae6ee5835da2479fe5554b9dd51351a2a273f7880a72b810441e79
Markdownfa628ae623013bf57e21bb2ac3318aded3a0d5eb198fc57fca15b640a17027ef
PDF
Publication page886a016d169b6c36886dad053ab3c0b3b3ed28816c4181bf1b914cdba99d8ab6
Manifest09587d677f7823b555e69640dfa8de3cd844878ed3bb1d8f6de0ee6b2bb80d86

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
SignatureATf3FkR6ZZgrxhShtikvGzsOAgg5DeTvu58ucazaX7rkrg6yxIUUpPRCKgkKQcWcbPZw064Wo6diavm8E8MpDw==
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

2026-09-17T10:22:12.059369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072392
observed 886a016d169b6c36886dad053ab3c0b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:12.042164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072392/manifest.json
observed 09587d677f7823b555e69640dfa8de3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:12.023580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072392/publication.md
observed fa628ae623013bf57e21bb2ac3318ade...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:12.004828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072392/publication.txt
observed 6c37f772c1ae6ee5835da2479fe5554b...
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.