OpenTechnical

OT-2026-000062309

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, 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-2026-000062309) never changes.

Identity and time

Publication numberOT-2026-000062309 · never reused
Internal UUID01a0ae8c-0abe-7ce9-aa80-0666a1b80af1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062309
StatusPUBLIC

Content hashes

Canonical text72600b90c0bf521c9b293a9da999189bf8dabf5f844947efd9314d1e90c5f711
Markdowneae4c42a67b29d36e706f21f873c6a72eb7690aacdb0d21d76034e712b275021
PDF
Publication pagea27fd27300e9f9efe7c6eeb13d9a73dc78b6ca2340798de02d08ae2edf7fc51e
Manifest2fc7cf204e2b268d2a2651602a4006d3297147b3e0b9ea5cb4a374756f3024fe

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
SignatureYPPyswHdcMRDDX8rr+C2ongQnsE0gEe6HzU3b+oZkeZXKieeOu2rGOkedpefF4k/48GkzW9gGv0Tf9t3MOTxAQ==
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

2026-09-17T10:39:36.558073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062309
observed a27fd27300e9f9efe7c6eeb13d9a73dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:36.540552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062309/manifest.json
observed 2fc7cf204e2b268d2a2651602a4006d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:36.520391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062309/publication.md
observed eae4c42a67b29d36e706f21f873c6a72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:36.501500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062309/publication.txt
observed 72600b90c0bf521c9b293a9da999189b...
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.