OpenTechnical

OT-2026-000091653

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, three 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-2026-000091653) never changes.

Identity and time

Publication numberOT-2026-000091653 · never reused
Internal UUID01a0ae9d-43b8-7502-b9d9-0f39c0fbe34b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091653
StatusPUBLIC

Content hashes

Canonical text943c8622cf397c3e4d747a1d06119b01c4320df8481a47b40d03fbcf0d40cea4
Markdownb8573c8fbe0130b87c57db6fa24ff9568cb69b63d1345527a2509576a643ec64
PDF
Publication page6045b204f7084c88c9d5e6b719c1d46d614f64c629adb20f2f5733d4b94fb156
Manifest0603ef921bf01b8959b9fd3aa3af2ea2667b5f01dc33bd1637c9c48cdf05c271

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
SignatureCiy8FiMp6xn7Y9gTvpDTSumtZdC/DoQsSaQRQDvuyhgpXD+jtPCLiNdJuiI1z6aVdRQQMMOCInz+N9Lb5J76Cg==
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

2026-09-17T09:42:01.615832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091653
observed 6045b204f7084c88c9d5e6b719c1d46d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:01.597345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091653/manifest.json
observed 0603ef921bf01b8959b9fd3aa3af2ea2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:01.577893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091653/publication.md
observed b8573c8fbe0130b87c57db6fa24ff956...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:01.558540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091653/publication.txt
observed 943c8622cf397c3e4d747a1d06119b01...
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.