OpenTechnical

OT-2026-000008089

Publication integrity record

Single cup vacuum gripper, 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-2026-000008089) never changes.

Identity and time

Publication numberOT-2026-000008089 · never reused
Internal UUID01a0ae6a-908c-77a0-9900-ff89be9d9075 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008089
StatusPUBLIC

Content hashes

Canonical text5953c21e110f4f80251951ee57eab890657ca56aa8a8c2c8fb14a8607ac89ea9
Markdown6fa68c8ee862be1fb8e498025020565ba91175bc6c21cc0513c89ecca3c8f7ce
PDF
Publication pageaa42d770dafc344e7d5beb1e39ad7dffe9d5e4feb2fce0304a767aef5a07e12b
Manifestf3798e6e08460f70909986762e230c8bda3b74180aa650d5b71d08377839edae

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
Signature39xOIqjHb16MORqNGw1R2xTlXnK0qUZ5nbN/GnUKGsxoapTlMTysBag+LCsNzuT0+grY6ZtGD5nhwWir4n7SBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:08.530377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008089
observed aa42d770dafc344e7d5beb1e39ad7dff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:08.502826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008089/manifest.json
observed f3798e6e08460f70909986762e230c8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:08.480777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008089/publication.md
observed 6fa68c8ee862be1fb8e498025020565b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:08.456036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008089/publication.txt
observed 5953c21e110f4f80251951ee57eab890...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:47.877965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008089
observed aa42d770dafc344e7d5beb1e39ad7dff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:47.859174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008089/manifest.json
observed f3798e6e08460f70909986762e230c8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:47.840390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008089/publication.md
observed 6fa68c8ee862be1fb8e498025020565b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:47.821719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008089/publication.txt
observed 5953c21e110f4f80251951ee57eab890...
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.