OpenTechnical

OT-2026-000078445

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000078445) never changes.

Identity and time

Publication numberOT-2026-000078445 · never reused
Internal UUID01a0ae95-7c28-7008-974d-5e67f57628a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078445
StatusPUBLIC

Content hashes

Canonical text2ff519d0ced9e3a9bb99b52ea3798f0293460b37a44388c757d41e806e74fd9c
Markdown79bdd5615b9353ec06ed2dc2609a2c92039adecf37680a1a14a602bb9079ea23
PDF
Publication pagea4092d673ace2cdf137a8e3ba818a912ff6aa980a22ad03af82d33011073f502
Manifest3dd246ac252262cdc24c1ea5ad4dea80648730af5df7eaad23bbb3bd4a0d8b72

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
SignatureFp6o9JW+03qBIKIXZklJsNZKTU6qnaarK444bTkaEgZ9b71PDcZTfTxInnuyKadN8FQ+Qu4HzaC+kiLFi0fhCg==
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

2026-09-17T10:06:26.778566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078445
observed a4092d673ace2cdf137a8e3ba818a912...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:26.759740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078445/manifest.json
observed 3dd246ac252262cdc24c1ea5ad4dea80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:26.741857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078445/publication.md
observed 79bdd5615b9353ec06ed2dc2609a2c92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:26.706009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078445/publication.txt
observed 2ff519d0ced9e3a9bb99b52ea3798f02...
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.