OpenTechnical

OT-2026-000079252

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000079252) never changes.

Identity and time

Publication numberOT-2026-000079252 · never reused
Internal UUID01a0ae96-0b90-7187-8aa3-08c07b35eed3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079252
StatusPUBLIC

Content hashes

Canonical text2f3abde12ed66692149f752e597915d0cc27d47cf854ac8046de21368fea59e4
Markdown020e1856d8c88ef6f99d8de0e9453a45cd0872f907f4e5431198bbfe64902516
PDF
Publication page9fccc906768db2c5cab7e39a4395987c24182c0a4695dadc54dc3a325c83c6d5
Manifestaa702c0ffc2a4afb9f1f794fab941ffa806ee7baf2bcd18798c4e50f8711664a

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
SignaturexWYY2rLdl+ez4bjoKcPA4yAJ+ywqI4twx+uHTfBaHDze3+qygKKex7edavM1NgGVA9J8R6V38Px2IcmerrgcBw==
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

2026-09-17T10:04:50.727281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079252
observed 9fccc906768db2c5cab7e39a4395987c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:50.709171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079252/manifest.json
observed aa702c0ffc2a4afb9f1f794fab941ffa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:50.690597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079252/publication.md
observed 020e1856d8c88ef6f99d8de0e9453a45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:50.672488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079252/publication.txt
observed 2f3abde12ed66692149f752e597915d0...
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.