OpenTechnical

OT-2026-000075846

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, vented 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-2026-000075846) never changes.

Identity and time

Publication numberOT-2026-000075846 · never reused
Internal UUID01a0ae94-29fe-72c5-85cd-02657b758e95 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075846
StatusPUBLIC

Content hashes

Canonical text9d5f472784701254b822483525bc02ecec09f39890955d0d14a90508b4c56aee
Markdown8fafd50b9eaa7588aeafbfc5db4680b239f0113703f77a281688e1efe51ba160
PDF
Publication page9da1b972e8c42223bb298d446c57260d9d9837748f5f030070293faf6d8e6b71
Manifest4a47bd4e4f372c1104d5eef639991e7e1f38aff0401b1e90bc04ec0698738db8

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
SignaturepR1pJuUPD5UXKjf0PENs1f2h9Ni6ltclMEg2weRChcPAxhAlE5/oseWnIrgbCMMVdKkZEWrSDCJCEsYLGEXgDA==
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

2026-09-17T12:41:35.215130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075846
observed 9da1b972e8c42223bb298d446c57260d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:41:35.042510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075846/manifest.json
observed 4a47bd4e4f372c1104d5eef639991e7e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:41:34.682410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075846/publication.md
observed 8fafd50b9eaa7588aeafbfc5db4680b2...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:41:34.518398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075846/publication.txt
observed 9d5f472784701254b822483525bc02ec...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T10:14:32.297599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075846
observed 9da1b972e8c42223bb298d446c57260d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:32.279601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075846/manifest.json
observed 4a47bd4e4f372c1104d5eef639991e7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:32.261049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075846/publication.md
observed 8fafd50b9eaa7588aeafbfc5db4680b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:32.242466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075846/publication.txt
observed 9d5f472784701254b822483525bc02ec...
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.