OpenTechnical

OT-2026-000077496

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, vented after 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-2026-000077496) never changes.

Identity and time

Publication numberOT-2026-000077496 · never reused
Internal UUID01a0ae94-f50a-73ad-a244-97f14db0b9c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077496
StatusPUBLIC

Content hashes

Canonical text7693814a77a7023fb90fce6512b6413a8f027e9b9743499fba9c519c7da37b13
Markdowne09e85e62e2510bed02bb4d4594b35ddf7d4c3f44f55cf97f55453ab5378e21e
PDF
Publication page783e5c7c40522638275fc5a06c00b008f841d10580d4314fedcce2a984827a43
Manifest9c2d10fd361dca59ae874f210408c376c00f31f50c9b2846321cfd7aa02a0128

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
Signature8oR2uV+VddncstfvLlXZ0kUgCvOfEdGy4o3wgGD3f/iSA0lDnTaA/enIb+4J2kMq2AYhpR7RiiBsNQ5RbgB7Ag==
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

2026-09-17T10:11:06.482863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077496
observed 783e5c7c40522638275fc5a06c00b008...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:06.465696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077496/manifest.json
observed 9c2d10fd361dca59ae874f210408c376...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:06.448606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077496/publication.md
observed e09e85e62e2510bed02bb4d4594b35dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:06.055574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077496/publication.txt
observed 7693814a77a7023fb90fce6512b6413a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:27.284600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077496
observed 783e5c7c40522638275fc5a06c00b008...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:27.268097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077496/manifest.json
observed 9c2d10fd361dca59ae874f210408c376...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:27.251464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077496/publication.md
observed e09e85e62e2510bed02bb4d4594b35dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:27.233657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077496/publication.txt
observed 7693814a77a7023fb90fce6512b6413a...
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.