OpenTechnical

OT-2026-000083802

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000083802) never changes.

Identity and time

Publication numberOT-2026-000083802 · never reused
Internal UUID01a0ae98-0417-7d92-9722-17b2b7443a8e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083802
StatusPUBLIC

Content hashes

Canonical text1e67a84c6438420674f773833897e6e8fd62eecb29491f550620dcb43da8c3ba
Markdownb85184f4dbf73861836bdab5269eaf54da1b05a96ca61708afc2642166b4e5d4
PDF
Publication page48f72377caee0311f7524f87e530f2e8fff31517073b8906845c860fef750de8
Manifest41b4a157ab76a2a83071a329e904bea059c3712fd3627e47ef4d67c52df253bc

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
Signature1ouOhyBKZf9kZjlegSdLqH9ho1KsLa7BdZ+WFwG+LLdEE6mAbNBGuvVunYLoEz9RNlfEKEIrAbw7WJDXYtgHDA==
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

2026-09-17T09:57:27.004366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083802
observed 48f72377caee0311f7524f87e530f2e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:26.985988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083802/manifest.json
observed 41b4a157ab76a2a83071a329e904bea0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:26.967329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083802/publication.md
observed b85184f4dbf73861836bdab5269eaf54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:26.929252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083802/publication.txt
observed 1e67a84c6438420674f773833897e6e8...
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.