OpenTechnical

OT-2026-000095029

Publication integrity record

Foam pad vacuum gripper, two zone face, pump fed, 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-2026-000095029) never changes.

Identity and time

Publication numberOT-2026-000095029 · never reused
Internal UUID01a0ae9f-2df0-73f2-ae80-83aeeda44c36 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:42.715218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095029
StatusPUBLIC

Content hashes

Canonical textb6003084bf1d754f33b9e9c15499e31bbe98db8a6e949c2f00a15c794b0a0b1e
Markdown25bb68d9b280c3d3b9c6026c347845b58b152441ba6c0ce1017e175111a57cd5
PDF
Publication page2774ec900c52732a9dc8995105444c11f45011c9aa8de4fa89217ed6160c0d47
Manifestdb60454be3c2bc227ff9c16d6dea674ec2acb638d7b3c1835691a2017b50619e

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
Signaturep7Jst+rUoM9tyQg7IcAzUTztzbhc7GKoSodZYCo5/vg5wYUgaU/xGVnkHiRG0lKyTenXyxWOeF1q+TzQAFBUAA==
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

2026-09-17T09:37:35.496514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095029
observed 2774ec900c52732a9dc8995105444c11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:35.477866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095029/manifest.json
observed db60454be3c2bc227ff9c16d6dea674e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:35.458530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095029/publication.md
observed 25bb68d9b280c3d3b9c6026c347845b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:35.423250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095029/publication.txt
observed b6003084bf1d754f33b9e9c15499e31b...
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.