OpenTechnical

OT-2026-000082031

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, single stage ejector, sustained 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-2026-000082031) never changes.

Identity and time

Publication numberOT-2026-000082031 · never reused
Internal UUID01a0ae97-4d92-7fd6-badb-85a7888a0bc8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082031
StatusPUBLIC

Content hashes

Canonical text198fea4954d64550b5dd28bb85233971649a4ac40814ce7d13b37f75af3e24c6
Markdown3b1ab43e8d5d82b463fc3fb24c9d5185b66a19eb0b26cd926259cdbed06b936d
PDF
Publication pagee7b8b9792255d02ea28c0580bdeaad6373c63167ef9bdfdad524432526db4586
Manifest6dd2a1c3bfb2c5202e31c1cd61ab892d789adfa02e2485cdc84f71fcc10a38c0

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
Signature/ovpH4V0MyfG3k0jTytiz1EPj7cdD5xIiZwH3gAMmwuJA5p+bqy3nI/xazgXOr0SO6MU0DiT/9CtiV9VGH7TAQ==
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

2026-09-17T09:58:49.473667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082031
observed e7b8b9792255d02ea28c0580bdeaad63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:49.455579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082031/manifest.json
observed 6dd2a1c3bfb2c5202e31c1cd61ab892d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:49.437569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082031/publication.md
observed 3b1ab43e8d5d82b463fc3fb24c9d5185...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:49.420348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082031/publication.txt
observed 198fea4954d64550b5dd28bb85233971...
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.