OpenTechnical

OT-2026-000074980

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000074980) never changes.

Identity and time

Publication numberOT-2026-000074980 · never reused
Internal UUID01a0ae93-ac2d-7e4e-8cb3-5fe2c94eed11 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074980
StatusPUBLIC

Content hashes

Canonical text9bdbc6222184acea48094c56148e8682a11773349f1ee908b98153f5b8732e35
Markdown74450b646f21d64ad4d61b6b7595059652c60dc9a6d7c150065bd82612b9b88c
PDF
Publication pagebb259afcaadf9897b699c9df4f1e06b5343daf1d228fd61e760bfbaa8562cf62
Manifest3d0ba5d5de9220554998cf5aea98fb06ce14f86a0e727f6cee56cde643d3a695

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
Signatureuj/iIZHxpCjtG13GOW0Wxkv5QPKe1jMrMr0J8p5+ZMXY4H0WNu6JxNTCxaFWM/pWGBIgQLea8z7EM7Q1cFeaDA==
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

2026-09-17T10:18:47.054736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074980
observed bb259afcaadf9897b699c9df4f1e06b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:47.037264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074980/manifest.json
observed 3d0ba5d5de9220554998cf5aea98fb06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:47.019081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074980/publication.md
observed 74450b646f21d64ad4d61b6b75950596...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:47.002269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074980/publication.txt
observed 9bdbc6222184acea48094c56148e8682...
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.