OpenTechnical

OT-2026-000094021

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000094021) never changes.

Identity and time

Publication numberOT-2026-000094021 · never reused
Internal UUID01a0ae9e-92c9-736f-9a45-cb7d2641dac7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:03.009208Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000094021
StatusPUBLIC

Content hashes

Canonical text0d959d04a85b255597bdbaabcda770ba3209dfce0f726401c060ae6dfeba2013
Markdown6985397523c8f25bf76567014cc93a1735da126b5d80164b5589657a53347147
PDF
Publication pageb4c8b5e2045e8d041152bcd16755ec21af371817dc8b5588d57c6b58547244f0
Manifest82c652f100514cbe2b7d3eb4db6e4dc9b87e24375b2af5617628efeb6f8694b5

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/8Cpb8GEwWlcWtn15DGV3NZaKcO1S87ZpF9QzMV0SV2HHxQpyR7VU9Ua69jN1Wq0lG8BXPKAd/+tj0xxoOUOCg==
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

2026-09-17T09:38:25.983349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094021
observed b4c8b5e2045e8d041152bcd16755ec21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:25.965014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094021/manifest.json
observed 82c652f100514cbe2b7d3eb4db6e4dc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:25.946084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094021/publication.md
observed 6985397523c8f25bf76567014cc93a17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:25.927528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094021/publication.txt
observed 0d959d04a85b255597bdbaabcda770ba...
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.