OpenTechnical

OT-2026-000077066

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, vented after 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-2026-000077066) never changes.

Identity and time

Publication numberOT-2026-000077066 · never reused
Internal UUID01a0ae94-f507-78e7-be6c-67094ff7e67d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077066
StatusPUBLIC

Content hashes

Canonical text043a7a180e751ef1a16467295896ac83c925574321145b93f5ee2e47053e2fb5
Markdown06bb1a03c72d12b2988c8d7137882c52e7cc38ac446d28ea7ec76191e7bedcc0
PDF
Publication pagea29d868e20efc9155fc35ea53423f9dc85a2235effa8e1afed82a89e7968e118
Manifest6ef5f6c4e9e9e799452160a1c115a116eda3059ada1d3372079b211754a2ae6b

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
SignatureYc0OQyNOebPri8IBv2AJ6GXxoh/rLCgWWXWwJeCioSjd/8HjJEDJDnxAyXp1kCbT/DEankbVg93q0seKH4bmDw==
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

2026-09-17T10:11:10.240802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077066
observed a29d868e20efc9155fc35ea53423f9dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:10.222855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077066/manifest.json
observed 6ef5f6c4e9e9e799452160a1c115a116...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:10.203011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077066/publication.md
observed 06bb1a03c72d12b2988c8d7137882c52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:10.060333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077066/publication.txt
observed 043a7a180e751ef1a16467295896ac83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:28.571708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077066
observed a29d868e20efc9155fc35ea53423f9dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:28.552763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077066/manifest.json
observed 6ef5f6c4e9e9e799452160a1c115a116...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:28.533746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077066/publication.md
observed 06bb1a03c72d12b2988c8d7137882c52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:28.513510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077066/publication.txt
observed 043a7a180e751ef1a16467295896ac83...
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.