OpenTechnical

OT-2026-000085139

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, 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-2026-000085139) never changes.

Identity and time

Publication numberOT-2026-000085139 · never reused
Internal UUID01a0ae99-43b9-746f-8848-fafae3a73764 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085139
StatusPUBLIC

Content hashes

Canonical text73c46144f6597ec8eac53f6655eafc00a593dcb1f88cb784bc1476284335a6eb
Markdownabda235989cd29e051f8f47eeb3322e575c52ca8d98432b14b1bf838e3aa2dfa
PDF
Publication page0d3b2b108ef50b6c964d7f45ba75c390c0299a5515e365a77e476802bde91afa
Manifest0ca3867200d2746685f7e9c396c7dc5bebe8453f48e5fca306bb44ced12b0a54

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
SignatureEp23aWZHbhtELwnq0Rv7I64wBHzrUhLjOHOuj4R1oRKPMKXrYd3maOmNYq0Dr/+khcqibBWDqU07phEKICHpCw==
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

2026-09-17T09:55:12.997922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085139
observed 0d3b2b108ef50b6c964d7f45ba75c390...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:12.980106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085139/manifest.json
observed 0ca3867200d2746685f7e9c396c7dc5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:12.961970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085139/publication.md
observed abda235989cd29e051f8f47eeb3322e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:12.942899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085139/publication.txt
observed 73c46144f6597ec8eac53f6655eafc00...
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.