OpenTechnical

OT-2026-000095237

Publication integrity record

Foam pad vacuum gripper, four 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-2026-000095237) never changes.

Identity and time

Publication numberOT-2026-000095237 · never reused
Internal UUID01a0ae9f-8f70-70d4-b98d-feca066a6f2c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095237
StatusPUBLIC

Content hashes

Canonical text9b366f92613c01f1c4892648932aaabb8cf34724549c70ad7ae9710dfb395e85
Markdown15c59e90e94d08ac2cf1e04a4dd542bdba859811e553f87fc24a909deeffa60a
PDF
Publication pageb9ad94213a8d803ea6247e18697c5dca8ca4b4fbf69385b54e763252492d0d86
Manifest938bb3e3cafa9ec7eac5107325fe1cbd745835c3196d0d6023670cf27b176c6c

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
SignatureKtY7IoyiY+lQCRkhd21j7RFp7ovqHFtvfjRustpEkA1/FoVRMXwwySh35YD+V8mZy2OM4ja2a654ETTdnjJgDw==
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

2026-09-17T09:36:33.795701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095237
observed b9ad94213a8d803ea6247e18697c5dca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:33.777133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095237/manifest.json
observed 938bb3e3cafa9ec7eac5107325fe1cbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:33.757409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095237/publication.md
observed 15c59e90e94d08ac2cf1e04a4dd542bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:33.739028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095237/publication.txt
observed 9b366f92613c01f1c4892648932aaabb...
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.