OpenTechnical

OT-2026-000103620

Publication integrity record

Four cup vacuum gripper, four zone face, two stage ejector, pulsed 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-2026-000103620) never changes.

Identity and time

Publication numberOT-2026-000103620 · never reused
Internal UUID01a0aea4-e461-737f-855e-d83ed8418a26 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103620
StatusPUBLIC

Content hashes

Canonical text2ef94897f39d4294a60fcdc411f1481a6534632a96c82897c22e6b0d4ed7f608
Markdowna982d72edf1fb89bc0231e76f5dbdb70eae6d0ffc9f3acd23ff5fbfcc8202ee7
PDF
Publication page18a7922af8d20a3887d9ca079759e3c00c128404fd087e5693e24b9bc7c32983
Manifestbf639a0ddc6bc0274eb75161f2af7e2b724d29dae6194bee289f12fa397e3552

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
Signature6ZIrWRQlHQSJ2A9LVYZj6CanD4L73za0Pu2kI5177deIaElOvKeorUuklnqUkMH4N8nUlR6HZF1mVU/rKrNFAg==
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

2026-09-17T09:22:24.766062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103620
observed 18a7922af8d20a3887d9ca079759e3c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:24.750059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103620/manifest.json
observed bf639a0ddc6bc0274eb75161f2af7e2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:24.732143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103620/publication.md
observed a982d72edf1fb89bc0231e76f5dbdb70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:24.713481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103620/publication.txt
observed 2ef94897f39d4294a60fcdc411f1481a...
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.