OpenTechnical

OT-2026-000083354

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented 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-2026-000083354) never changes.

Identity and time

Publication numberOT-2026-000083354 · never reused
Internal UUID01a0ae97-c964-7ccc-8503-02f18068c14f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083354
StatusPUBLIC

Content hashes

Canonical text81db1cbc42eed3cea6cb899fa80616e7a2598e6d124d64943a42f42912189c67
Markdown81463b0081217c1836020ecf717487c25a0dfe14c7a229fb90b41054f28e9254
PDF
Publication pagedf4a86e8fd7edbc26792218b89f9186f72975b48b1ca292f9ce027bd4fbec277
Manifestcfda9f1e1a3f9eac827fbcf8b5f2e2422ecb9c06e8a981e82c2dc9de6a4ee982

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
Signaturev5m+PV8yIueU46u29D3FlmOQReJvx4ZZ1UD55agQfmgPt0tGlpLsV4NDuaiBxZfOXkODMA9Z6+uxCCYNSirqBA==
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

2026-09-17T10:00:38.304141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083354
observed df4a86e8fd7edbc26792218b89f9186f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:38.283033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083354/manifest.json
observed cfda9f1e1a3f9eac827fbcf8b5f2e242...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:38.261860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083354/publication.md
observed 81463b0081217c1836020ecf717487c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:38.243550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083354/publication.txt
observed 81db1cbc42eed3cea6cb899fa80616e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:45.340609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083354
observed df4a86e8fd7edbc26792218b89f9186f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:45.325957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083354/manifest.json
observed cfda9f1e1a3f9eac827fbcf8b5f2e242...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:45.308293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083354/publication.md
observed 81463b0081217c1836020ecf717487c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:45.291920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083354/publication.txt
observed 81db1cbc42eed3cea6cb899fa80616e7...
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.