OpenTechnical

OT-2026-000073867

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, 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-2026-000073867) never changes.

Identity and time

Publication numberOT-2026-000073867 · never reused
Internal UUID01a0ae93-2b8e-79c4-8baf-355394affca3 · 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-2026-000073867
StatusPUBLIC

Content hashes

Canonical textcf08dc5ba130e3505e2771dfcc7da226727cf51250dca3a2b09f7b454a59c1ee
Markdown9ba4ed1d8b7ada78404f75c2c38cd93bd0b4bcb5cd81c28c1fc4d7e70c398939
PDF
Publication page09172824641f75a3a2e7eac297e8f2be9580fa8a7f7e968e10b608924fd6795f
Manifestfd4e826a0e74cd7cfed8f9b53be9fe990b1c2fef7875ead75cb615e57268cb06

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
SignatureZ8VYwhTBKTzxLX5WS11hMEjZAzmIo5y2TSIBJ6TrxsQZRBplr5UpD1xUuvYp+/p3JIxPnX4Te5Lx4tgx56drBA==
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

2026-09-17T10:20:00.685625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073867
observed 09172824641f75a3a2e7eac297e8f2be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:00.664953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073867/manifest.json
observed fd4e826a0e74cd7cfed8f9b53be9fe99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:00.646093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073867/publication.md
observed 9ba4ed1d8b7ada78404f75c2c38cd93b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:00.625294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073867/publication.txt
observed cf08dc5ba130e3505e2771dfcc7da226...
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.