OpenTechnical

OT-2026-000075460

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented 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-2026-000075460) never changes.

Identity and time

Publication numberOT-2026-000075460 · never reused
Internal UUID01a0ae93-f201-7d6f-bc00-ac41c3767efd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075460
StatusPUBLIC

Content hashes

Canonical text0d38a3aca145668155accea9667c41b435a1ece27c930714d16c35e8d171d2d1
Markdown7f014c4704fc1f7198c37e84b0716018a8d503f069d4440c161fa9010399ef5e
PDF
Publication pageebc842de2d82ebdaa89859bc9bd75ef69f83014ddd5e3387730c7ef929708540
Manifestf044007a6953633b6df86ab28e8ddf4fb44c7611c9361009475702ee7d0a63b0

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
SignatureTdTWWcLgIl40GGN7fs4o07B816URaGd+qceinUqdurwT4KQl9fScjhrSPq2kuDa+otu0srmOAUfKDCjOIfJbDg==
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

2026-09-17T10:17:44.252951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075460
observed ebc842de2d82ebdaa89859bc9bd75ef6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:44.234980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075460/manifest.json
observed f044007a6953633b6df86ab28e8ddf4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:44.216825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075460/publication.md
observed 7f014c4704fc1f7198c37e84b0716018...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:44.198720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075460/publication.txt
observed 0d38a3aca145668155accea9667c41b4...
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.