OpenTechnical

OT-2026-000088971

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, supply line pressure sensor, 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-2026-000088971) never changes.

Identity and time

Publication numberOT-2026-000088971 · never reused
Internal UUID01a0ae9b-8f11-76d0-b98c-604143d8069a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088971
StatusPUBLIC

Content hashes

Canonical text0fa647725332df8dbf581f2554c71250a4f5b0215b80482865117739be2858d5
Markdown4652bc701bdf9de2deb41c2338c8220e860335714f915b132be23f0e00ab373a
PDF
Publication pageb18ceb99c7dc46790cc49131c941011f64fe090043d5fce4241eaf11911b2cdd
Manifest3023a187199f3475e40278102279d538a7ab0df2d942a01aa186a46d991cdee0

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
Signature4IpwQJkZxG8vaxB9IwLJmwqsvPhkGm53x5whPPL5EX+GA+A+hFe5QthlS6Ic5T5dr6Dmze7F+vjFkRJjXyLeCg==
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

2026-09-17T09:48:27.860165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088971
observed b18ceb99c7dc46790cc49131c941011f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:27.765237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088971/manifest.json
observed 3023a187199f3475e40278102279d538...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:23.182237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088971/publication.md
observed 4652bc701bdf9de2deb41c2338c8220e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:23.164843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088971/publication.txt
observed 0fa647725332df8dbf581f2554c71250...
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.