OpenTechnical

OT-2026-000086228

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, three stage ejector, 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-2026-000086228) never changes.

Identity and time

Publication numberOT-2026-000086228 · never reused
Internal UUID01a0ae99-e82c-732f-bbe5-3b2bcd607201 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086228
StatusPUBLIC

Content hashes

Canonical text3645612fefb11962e0d06dd21e72ce32f1a0deae1475850c89d204ba0d1cdb08
Markdowne5de3715a01e9439152fdb257449afb3fcfde74b5a96edccf6e3fcad6e418402
PDF
Publication page35e69da00611e1b8585a7e14c322f15f13e68ccbfe35aab52cc6741a0aa7042a
Manifest29f778010230ddcf1035ed845de39ad7603c6c983ae5c1e69ad4356c5299dc63

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
SignatureVAlqKLtKAxjZ97YytjGbl4SQZQlwdhYuORPPpXdjr4zr61fNaQSKBpwPRda1H9qxjMzMfP/yuQgKNgEC+f5LAg==
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

2026-09-17T09:53:54.893004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086228
observed 35e69da00611e1b8585a7e14c322f15f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:54.871694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086228/manifest.json
observed 29f778010230ddcf1035ed845de39ad7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:54.854693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086228/publication.md
observed e5de3715a01e9439152fdb257449afb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:54.837407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086228/publication.txt
observed 3645612fefb11962e0d06dd21e72ce32...
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.