OpenTechnical

OT-2026-000087401

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, pump fed, 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-2026-000087401) never changes.

Identity and time

Publication numberOT-2026-000087401 · never reused
Internal UUID01a0ae9a-cd50-70ac-b1d1-81e213bd039a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087401
StatusPUBLIC

Content hashes

Canonical text5472f8670c4764b7625c1eb166b04369f18d1c60d0376b5fb2722a022b456435
Markdown37b0e74c15d78bd9885a31ecc431477065c6638110e84eeb957365c05a283139
PDF
Publication page2349dddc25e40943295d0078a8922ec60a241ee12a993fce5d40e79568f1803d
Manifest49b7a0b641910b32c5c900f3f5afc18b310a778acfa1e4cf545edc619c2469c8

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
Signatures/LWGXC/MsSIPEM0BLvO/P1SCj6pO3GObSQx1d+I5KQqsA5/hcXv7XFgQFsYEFH7jnxaO7loLfH98UXcmuJ7Cw==
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

2026-09-17T09:50:42.866629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087401
observed 2349dddc25e40943295d0078a8922ec6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:42.850004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087401/manifest.json
observed 49b7a0b641910b32c5c900f3f5afc18b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:42.833177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087401/publication.md
observed 37b0e74c15d78bd9885a31ecc4314770...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:42.816019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087401/publication.txt
observed 5472f8670c4764b7625c1eb166b04369...
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.