OpenTechnical

OT-2026-000068223

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, sustained blow-off after set-down

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-2026-000068223) never changes.

Identity and time

Publication numberOT-2026-000068223 · never reused
Internal UUID01a0ae90-247f-7b83-82c1-9780e02c47af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068223
StatusPUBLIC

Content hashes

Canonical text7b73904b87726be8b8a5cb939e97983a6f52ec9bf510cdfaf33594152f44a84b
Markdownb0eb315ddea65e4618c7c642db7deb22e414d8e401c131cfb67209a9503b53da
PDF
Publication page2fb706f780eee7cd36c452914de53e560b37d1cdf35a0efe555298dd38ab3d14
Manifest7b5b504cb735b1458a97bbcf5a9b51f325cfe2dc108c3aaba282d375e5ed232a

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
Signature2bWvrLKjtxFcZzn1J+ap35q93fUTZJgyM3wloaEB4t7mXMUCHjOReHKml1cAWZoVSWxkgqxucHxyxWrJxpjiBA==
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

2026-09-17T10:29:13.946726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068223
observed 2fb706f780eee7cd36c452914de53e56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:13.927512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068223/manifest.json
observed 7b5b504cb735b1458a97bbcf5a9b51f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:13.868343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068223/publication.md
observed b0eb315ddea65e4618c7c642db7deb22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:13.713720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068223/publication.txt
observed 7b73904b87726be8b8a5cb939e97983a...
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.