OpenTechnical

OT-2026-000086033

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum 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-2026-000086033) never changes.

Identity and time

Publication numberOT-2026-000086033 · never reused
Internal UUID01a0ae99-e82b-7bc8-a1f2-7978e7bfec1f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086033
StatusPUBLIC

Content hashes

Canonical text9776129cef1d514b90d04dd020879491bf5f92598ffebe040b0f844924c174ec
Markdown43340ef4f455b44bad8827ae086b72dddbc7d097a8176c37ed7851ae602b4233
PDF
Publication page62850182b703f221ded7213224177ddb8dc7aad4f4d96d2c0e31b25ef766ee76
Manifest2dc254bdf27ad9c851ca6cbfa4dec56954717833847915e22a1b3441c1adf715

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
Signature0tFHXf9qRjw2SChGtke1Lx77WNWAW7rEfli9JkJ888MzjXJcR4SFg9jIOqSjgMX8GD6zzz3AjBXkl1KWua5KAw==
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

2026-09-17T09:52:56.695846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086033
observed 62850182b703f221ded7213224177ddb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:56.678268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086033/manifest.json
observed 2dc254bdf27ad9c851ca6cbfa4dec569...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:56.636020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086033/publication.md
observed 43340ef4f455b44bad8827ae086b72dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:56.594376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086033/publication.txt
observed 9776129cef1d514b90d04dd020879491...
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.