OpenTechnical

OT-2026-000073799

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, manifold 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-2026-000073799) never changes.

Identity and time

Publication numberOT-2026-000073799 · never reused
Internal UUID01a0ae93-2b8d-7a4f-ba67-39f247f73f41 · 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-2026-000073799
StatusPUBLIC

Content hashes

Canonical text34acc27a918dd3bc29862c40b75be2f1e23c4c56d5a41b98e6326bbaa73212e2
Markdown929bc0ad31029a57630da9fa5578e054a7c251bd051470f1d6457df981de1a4d
PDF
Publication pagee01e189f349ccb344b0eeecf51784b0e29affcd8e3210142b5ef4a815d28f1f9
Manifest0be605dd69eab1220f3722eb09eaf0a5ef013170b9fd322a626dcd80eed30156

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
Signaturei8SGB0XCXZ7G/fzHe56voi5RjdIdG9l/6VKMI+EXQMoHA7cSJrkl8lMaZViPmsl52Hu9EpQPKPfzLr6elXJ5Bw==
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

2026-09-17T10:19:54.866634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073799
observed e01e189f349ccb344b0eeecf51784b0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:54.845480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073799/manifest.json
observed 0be605dd69eab1220f3722eb09eaf0a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:54.824409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073799/publication.md
observed 929bc0ad31029a57630da9fa5578e054...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:54.804348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073799/publication.txt
observed 34acc27a918dd3bc29862c40b75be2f1...
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.