OpenTechnical

OT-2026-000068509

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000068509) never changes.

Identity and time

Publication numberOT-2026-000068509 · never reused
Internal UUID01a0ae90-2481-7fd7-8922-e24502cce9a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068509
StatusPUBLIC

Content hashes

Canonical text8da8bb47bcd00a64c7ea00141ac25efc0622c425078e8af332afdda7faeabe64
Markdowne71c914b187007b438910e424ba34e83a75055f04f0fb406d12f54b872d05475
PDF
Publication pagea9634b3acc26a7f349813a0455468b2a8d1f7cb37cd670837eb924af4ce425e3
Manifesta074620d8d9a972dd8e87fb0c3fb4151578614f29b4ef8c7760548c25c361357

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
SignatureOn6jGr+4spqnz7x5elHExImDWc4h0VbfotyN8XpurXvb3FHhPnVFSP5trcLku2gn7dTFqztxCleWghO/B1eCBA==
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

2026-09-17T10:29:38.222745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068509
observed a9634b3acc26a7f349813a0455468b2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:38.204506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068509/manifest.json
observed a074620d8d9a972dd8e87fb0c3fb4151...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:38.185502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068509/publication.md
observed e71c914b187007b438910e424ba34e83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:38.168872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068509/publication.txt
observed 8da8bb47bcd00a64c7ea00141ac25efc...
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.