OpenTechnical

OT-2026-000103150

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, pump fed, pulsed blow-off 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-2026-000103150) never changes.

Identity and time

Publication numberOT-2026-000103150 · never reused
Internal UUID01a0aea4-be3e-7de5-b3d8-7eea4c4ec69a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103150
StatusPUBLIC

Content hashes

Canonical text60e906a981d90b386674d21ab2fe0825db5d74de26e989bb6d32e500b929e2a9
Markdown8718642ae67199177ce9ff8a0e7616b4146d255ced87808c1ff82dbce8817b60
PDF
Publication page196c328ce78299411c66e3c8d81312b3960c1f1d6f0b71dc2df6930525336610
Manifest1ebfb3f77272fc7796e00125397434e05353f01bc0645a544efe04b734e50701

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
Signature/AJ6tepNKgP5PTmxATLdzMWKf7qkIqNGoqfYHNlAxE+unpOsFsK8KdINEKxXhb+SVapwCK1174DPfn6Y9Cd1AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:21.680534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103150
observed 196c328ce78299411c66e3c8d81312b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:21.662472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103150/manifest.json
observed 1ebfb3f77272fc7796e00125397434e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:21.644411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103150/publication.md
observed 8718642ae67199177ce9ff8a0e7616b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:21.626149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103150/publication.txt
observed 60e906a981d90b386674d21ab2fe0825...
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.