OpenTechnical

OT-2026-000073639

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, supply line pressure sensor, pulsed 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-2026-000073639) never changes.

Identity and time

Publication numberOT-2026-000073639 · never reused
Internal UUID01a0ae93-2b8c-73de-94cf-65ac80124785 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073639
StatusPUBLIC

Content hashes

Canonical text246072aff45b23e41b91b62358a87f6f2f44224ae82c4ee11d93fd421aa4b02c
Markdown26d0c0a9f2915c98f654018d536407ea80ddaad206b5b2cd34bcef3c53ed8d08
PDF
Publication page6aea46f92235309373777c4e30701f7d49c27fc49dd3b4545444646b46314f69
Manifestb128f37b49ca78391e258f2305c46a0843e2051dfe552b186210da1b807c3777

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
SignatureC2dqsvTh2yUY1xX8xYLvdN6fZX2pQY7XCZN4KXY1szJfZM5leGHduAKGqNmTMw49DU9AqBORR9n3a2rp99M9Dg==
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

2026-09-17T10:19:41.118300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073639
observed 6aea46f92235309373777c4e30701f7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:41.099561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073639/manifest.json
observed b128f37b49ca78391e258f2305c46a08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:41.081964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073639/publication.md
observed 26d0c0a9f2915c98f654018d536407ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:41.063145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073639/publication.txt
observed 246072aff45b23e41b91b62358a87f6f...
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.