OpenTechnical

OT-2026-000078970

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two 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-2026-000078970) never changes.

Identity and time

Publication numberOT-2026-000078970 · never reused
Internal UUID01a0ae95-ccbe-7860-92eb-266a87d3ab65 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078970
StatusPUBLIC

Content hashes

Canonical textc88995233be0a6817211ff4669ee7a4e8daf5b1ac443e1f6690f0deb61a97751
Markdown66266c323fe4e077967f843add3d6d17f079f637205cb617f8e360b4a6f206c1
PDF
Publication paged25aacd70f561e44ea3e288704d999a03bea3e0185344218f65912f769250d15
Manifest7fbce7ec0d2a6cc53caa09a07acd36daed1d2163fa6522e1f8f55f7e89c194f0

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
SignatureGrp2J9VisizVlOgXMqZxSsKtf5sSqfHUStKIh4eCNPX3eOXw+xLbj4yP5wh8oju/zkhasIYHQO5uHFzpvsGtDA==
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

2026-09-17T10:05:23.353472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078970
observed d25aacd70f561e44ea3e288704d999a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:23.335401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078970/manifest.json
observed 7fbce7ec0d2a6cc53caa09a07acd36da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:23.315610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078970/publication.md
observed 66266c323fe4e077967f843add3d6d17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:23.297196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078970/publication.txt
observed c88995233be0a6817211ff4669ee7a4e...
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.