OpenTechnical

OT-2026-000071168

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, 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-2026-000071168) never changes.

Identity and time

Publication numberOT-2026-000071168 · never reused
Internal UUID01a0ae91-e0eb-70eb-9d12-6aa2cdf6e4c9 · 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-2026-000071168
StatusPUBLIC

Content hashes

Canonical text39de23c537e3eef47ac333349b2b27174719d6b8c20ea18defca83e07d791158
Markdown8ba4a8dec133d14b6ede154bc67e34cc2af5969b7aada7cd34462cfb9d930364
PDF
Publication page71aaacde6fc632afc119d49bcc0fc6e9a1c656140e4b5af8caa9f338d5931b59
Manifest8ad6f1652be53138fa09cfedadaab2e39d4e9fbe4b8026d8638b0dee46e695c0

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
Signature228t3xgq+n/mquCinYUr3RfBAN9CrCvRGhs+zTqwhgu/8VO/v8WwBXxmgg7PYYq6KfgHtJb1Bkduy1L9JAPaAg==
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

2026-09-17T10:24:40.677896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071168
observed 71aaacde6fc632afc119d49bcc0fc6e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:40.661444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071168/manifest.json
observed 8ad6f1652be53138fa09cfedadaab2e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:40.643816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071168/publication.md
observed 8ba4a8dec133d14b6ede154bc67e34cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:40.626705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071168/publication.txt
observed 39de23c537e3eef47ac333349b2b2717...
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.