OpenTechnical

OT-2026-000074902

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three 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-2026-000074902) never changes.

Identity and time

Publication numberOT-2026-000074902 · never reused
Internal UUID01a0ae93-ac2c-7e3e-9f85-7ffeec8ecdc5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074902
StatusPUBLIC

Content hashes

Canonical text4c67adaa0d240b0a5ea95dca3d0b02d926e7b3088a701078bcedaf2e1a5a2574
Markdown97d3ac4e551558142f68bf085fff187c6a274bb74c348909bcdc3c349fd078e4
PDF
Publication pagebbc2a6a004d9c529320d823d7ea8e5d6834418c771919194731e8f130df15d7d
Manifestcdba389f0b15aa547f509ecdc1435346dc7e536e4fee31ebb0954cd2339c5c54

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
SignaturekLYsbQ+KABmaRLhEHQd9B9/6PHss0mHEoCMHNdlewfQWY/2+Bkjjh662Qo+uJtV5PjNNYTBz/j0s7GovLI8JCA==
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

2026-09-17T10:18:37.479839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074902
observed bbc2a6a004d9c529320d823d7ea8e5d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:37.462720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074902/manifest.json
observed cdba389f0b15aa547f509ecdc1435346...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:37.445615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074902/publication.md
observed 97d3ac4e551558142f68bf085fff187c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:37.428653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074902/publication.txt
observed 4c67adaa0d240b0a5ea95dca3d0b02d9...
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.