OpenTechnical

OT-2026-000075888

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, 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-2026-000075888) never changes.

Identity and time

Publication numberOT-2026-000075888 · never reused
Internal UUID01a0ae94-29ff-7c81-8ebe-3a4d5e0cc5b9 · 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-2026-000075888
StatusPUBLIC

Content hashes

Canonical text82c2757a56cc2a21ac51c7a5625bed3690f79eac0bb0de1f7f903ee57f5f6f60
Markdown55f58aa050e4f6ec399bbfbf288f782cf5c6da5a1058ab3b3a61436faa9ef511
PDF
Publication page6b379766ca8590e1503107f2f92c7c87e56b671124041003eb91f90cb7ea646c
Manifest440ff51f8ab808ae0a97b202baf08f3fbf3e23b202d4ad9a171d08dc5081048e

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
SignatureLhlThGo4wF/JDeYyRhf9veIvbS9v9adk34+2yuIfApu6NAPyS8we3+yvL9/f1TIGxoODqgLVKd+W4XOsoTTmCA==
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

2026-09-17T10:14:40.297757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075888
observed 6b379766ca8590e1503107f2f92c7c87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:40.275904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075888/manifest.json
observed 440ff51f8ab808ae0a97b202baf08f3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:40.257220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075888/publication.md
observed 55f58aa050e4f6ec399bbfbf288f782c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:40.238870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075888/publication.txt
observed 82c2757a56cc2a21ac51c7a5625bed36...
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.