OpenTechnical

OT-2026-000100068

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, single stage ejector, pressure sensor per zone, 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-2026-000100068) never changes.

Identity and time

Publication numberOT-2026-000100068 · never reused
Internal UUID01a0aea3-1474-7fd7-83d0-d9006f8922f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100068
StatusPUBLIC

Content hashes

Canonical text6b4f71469f5fe24ce84cff7d10826ddece258ad906ac1ee84892e4581755220c
Markdown8c31b6598ac6bcb597a662118c799dd475a54aca2dcda66bb39bff12d16dc94a
PDF
Publication pagecab80c17e1cb7048aa4dcb03ab54226b560bab86e7fadc06145640fa2af29ba9
Manifest90620ccddafc079ffbfa3f3b18c0fd4c9bddb50afb9d93552051eff93997a11a

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
Signature6//M61VvXe5PXE2jFlhrcRl0bgycUCV6PQXu+UwrH1mSzQ8XZW6yfpukxenKdW9FfE8yujD/O9ogJWPKV2PnAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:00.904997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100068
observed cab80c17e1cb7048aa4dcb03ab54226b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:00.887948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100068/manifest.json
observed 90620ccddafc079ffbfa3f3b18c0fd4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:00.867889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100068/publication.md
observed 8c31b6598ac6bcb597a662118c799dd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:00.848002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100068/publication.txt
observed 6b4f71469f5fe24ce84cff7d10826dde...
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.