OpenTechnical

OT-2026-000087306

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, pump fed, 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-2026-000087306) never changes.

Identity and time

Publication numberOT-2026-000087306 · never reused
Internal UUID01a0ae9a-cd4e-7879-85e5-9a8e23d59f98 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087306
StatusPUBLIC

Content hashes

Canonical text11068264b33b495ee52c61f9ee41a634e7d72cbd691bc48fdf58b3b1aefa1038
Markdown1d313f2d772d207ebc8009498f9f8089ee9cfd2afca88322714144170da5654a
PDF
Publication pageb4ce99e90475d84f0d8a5ef2622417bb636ef48548925d6f4503cbe632917666
Manifest4053bc382c8c879b70e84b40af6d8162a3ba7b8c0000f29f2e6ba540534e78e5

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
Signature9L9rTU2sk3bt4tytvcAm64iuFtZghmuqfyjMTMCfu1MEbvk+9xl9WpDOz+3Fp1v3S3shuDmEtYJWX0qU0H6tBA==
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

2026-09-17T09:50:27.950208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087306
observed b4ce99e90475d84f0d8a5ef2622417bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:27.936748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087306
observed b4ce99e90475d84f0d8a5ef2622417bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:27.931889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087306/manifest.json
observed 4053bc382c8c879b70e84b40af6d8162...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:27.920072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087306/manifest.json
observed 4053bc382c8c879b70e84b40af6d8162...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:27.914792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087306/publication.md
observed 1d313f2d772d207ebc8009498f9f8089...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:27.903847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087306/publication.md
observed 1d313f2d772d207ebc8009498f9f8089...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:27.898745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087306/publication.txt
observed 11068264b33b495ee52c61f9ee41a634...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:27.885361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087306/publication.txt
observed 11068264b33b495ee52c61f9ee41a634...
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.