OpenTechnical

OT-2026-000070817

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, single stage ejector, supply line pressure sensor, 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-2026-000070817) never changes.

Identity and time

Publication numberOT-2026-000070817 · never reused
Internal UUID01a0ae91-8c2d-7ddd-a4ef-e0aaf4e31a4d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070817
StatusPUBLIC

Content hashes

Canonical textfc9c8c1efac62435b79548efbdd477014ec2da4ea306d3bab96d4483ce66aaea
Markdown1e992ddb24c85352b4e1ac1584e7d3edbad0a4520d31604ddb2b5504f393bfeb
PDF
Publication page0718484921cf089b3f8f614dcb4e3950891594fe001f754ce397bc3046bda0f1
Manifest5982f57f5a04a3ab24086365095265dd08bafdcaf6a8601602ab338d9100348a

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
Signatureu6vHcKbVHBiN1x33XNrn9TSvoImovndtpPlGyVwJmR6QTP6ejXtAN3IvfIfHIsNccjPjoCqEtQeJPCoN7UAqAA==
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

2026-09-17T10:25:37.624823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070817
observed 0718484921cf089b3f8f614dcb4e3950...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:37.607805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070817/manifest.json
observed 5982f57f5a04a3ab24086365095265dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:37.589114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070817/publication.md
observed 1e992ddb24c85352b4e1ac1584e7d3ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:37.572123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070817/publication.txt
observed fc9c8c1efac62435b79548efbdd47701...
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.