OpenTechnical

OT-2026-000087259

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, 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-2026-000087259) never changes.

Identity and time

Publication numberOT-2026-000087259 · never reused
Internal UUID01a0ae9a-cd4d-70be-bd46-9bdb6beb42b2 · 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-2026-000087259
StatusPUBLIC

Content hashes

Canonical textf283671de3c1df1cd3f54e4dcba4041870e6768fd8011dbe80ffd3dd4e1ab637
Markdownc176c84c061213763471c57d71d1d3219ea4688b07d8b58104aa40184a74ad5a
PDF
Publication pagef9808c108c76af0462dd5396273fadd46e4b4aeb80d9ccdb48e056ff815eca8d
Manifest6006e852012b4a1a34e74306b4c9f25ea21e45a7026662777ff3bbe0611e6c29

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
Signature1HvQryvWc4JLRshoX6XnBBgSI1JCQ1Xwql0JvYyqIw50UNWMj6A3IEjfzw/ZjGVpY5r91F6M7hI6Uyqyuz4wCQ==
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

2026-09-17T09:50:22.505015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087259
observed f9808c108c76af0462dd5396273fadd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:22.484102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087259/manifest.json
observed 6006e852012b4a1a34e74306b4c9f25e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:22.466629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087259/publication.md
observed c176c84c061213763471c57d71d1d321...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:22.459364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087259
observed f9808c108c76af0462dd5396273fadd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:22.449020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087259/publication.txt
observed f283671de3c1df1cd3f54e4dcba40418...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:22.443115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087259/manifest.json
observed 6006e852012b4a1a34e74306b4c9f25e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:22.423479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087259/publication.md
observed c176c84c061213763471c57d71d1d321...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:22.407206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087259/publication.txt
observed f283671de3c1df1cd3f54e4dcba40418...
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.