OpenTechnical

OT-2026-000078645

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000078645) never changes.

Identity and time

Publication numberOT-2026-000078645 · never reused
Internal UUID01a0ae95-7c2a-7edd-88a3-3434cc2e38b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078645
StatusPUBLIC

Content hashes

Canonical text317817dbe03609a94839a3237385e87db482a1178b941778f833977a299b24ed
Markdown09777db3ff958a164c930dcd0c4929c79df95bc281db08b8b0e0d7d05a9fca4a
PDF
Publication pageda53325b889d3f640cdbdd4c5c272c92579cac57e8e89a75982fd90dbf92f7dd
Manifest0acc278f5ee3f5177d02884bdbe32d43eb3a9b05be7110bf3846df78fb1bd2de

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
Signature92Hd8pIUa7pctRmXZLN5uJqDyxi+XSguEvnINZpbPEHidjti2gMzObyS/iHpX9tlwV1rDyi+xYi1DVzVJpiqDg==
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

2026-09-17T10:06:41.471321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078645
observed da53325b889d3f640cdbdd4c5c272c92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:41.453308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078645/manifest.json
observed 0acc278f5ee3f5177d02884bdbe32d43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:41.433795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078645/publication.md
observed 09777db3ff958a164c930dcd0c4929c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:41.413960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078645/publication.txt
observed 317817dbe03609a94839a3237385e87d...
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.