OpenTechnical

OT-2026-000064536

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000064536) never changes.

Identity and time

Publication numberOT-2026-000064536 · never reused
Internal UUID01a0ae8d-a462-7892-ad0b-b6db60d0dcbe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064536
StatusPUBLIC

Content hashes

Canonical texte180f7d0181246cb54c51a0e45aeb7e767a0752de7aa8db91b80c8a4b30bfd0e
Markdown5f742707e721b68baf862e0b480e0dc0768af4f2bb301792925e383fe22c1d52
PDF
Publication page95e32094672ab752b6a7307bb121d4aa61051b182f2a23e563465793700a9c6b
Manifest41f1b9e1cf27aca59aebbcafc0f620609595814325f9fbb7caf64a6b7646b83b

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
SignatureXInTFYRxy072/L6il6WUJOb3sN6abZY5Hkq2W2OXU6qlRHCh7EKVBKPPrmj26BXmxnFTTdFWFhdF5lWj9uwaAw==
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

2026-09-17T10:36:45.119617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064536
observed 95e32094672ab752b6a7307bb121d4aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:45.102082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064536/manifest.json
observed 41f1b9e1cf27aca59aebbcafc0f62060...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:45.083913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064536/publication.md
observed 5f742707e721b68baf862e0b480e0dc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:45.061405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064536/publication.txt
observed e180f7d0181246cb54c51a0e45aeb7e7...
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.