OpenTechnical

OT-2026-000079370

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, 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-2026-000079370) never changes.

Identity and time

Publication numberOT-2026-000079370 · never reused
Internal UUID01a0ae96-0b90-79fd-b71e-73444b645cb6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079370
StatusPUBLIC

Content hashes

Canonical text0593f5049bfd07887df4046d0b960498ad2d94af36e7cb311934341d4c10d61a
Markdown0f1e551fe85ebb63edf8a8f133891ffda3bb109ca1423fca2643875a686a3d97
PDF
Publication page37234b09a53e2a1dcd4760e174f2de2cb70cad7c62ebc269179fbc7931a1494a
Manifest5a2059224e579e36c4a696da25f50bd1085898f3af9e102e8c58b789cb9c0d20

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
Signature4BbqrVuOH1uwBGLQQZAoY+tNyZ5IG1T9wnEdC7lfd94g/fpqTfQcEWXm4eGrkSM+w+typPTXXQKmfC+Uv3nyAg==
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

2026-09-17T10:04:59.366572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079370
observed 37234b09a53e2a1dcd4760e174f2de2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:59.345951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079370/manifest.json
observed 5a2059224e579e36c4a696da25f50bd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:59.326749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079370/publication.md
observed 0f1e551fe85ebb63edf8a8f133891ffd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:59.309513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079370/publication.txt
observed 0593f5049bfd07887df4046d0b960498...
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.