OpenTechnical

OT-2026-000071544

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000071544) never changes.

Identity and time

Publication numberOT-2026-000071544 · never reused
Internal UUID01a0ae91-e0ee-7abb-8bf0-deb63487940a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071544
StatusPUBLIC

Content hashes

Canonical text23f5a0c0b9ddbe6e3d6affc12335b69bfb606e0f174bd57c30cf4aaf13ced75a
Markdownd1e7cccf72ab2e62d3059c693ffa77702e69b0fa4430cbb243f25eb649bf5813
PDF
Publication page8cf943ccdd5f42c93f2889e33c834462b23b4b01545169043805d4a6a0599104
Manifestfa66219b90dc62201d7d9d854ffaa44f8521863532e7dff7cd39ea2774307b10

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
SignatureYB31HRw6rkEYJ/cbiA6CbebfyY+m1QnA3S3nXVT1x2nQdAsKm0H8FFmliCzwKCBT1WabLID40vIXdoHa96GyBA==
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

2026-09-17T10:25:11.847820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071544
observed 8cf943ccdd5f42c93f2889e33c834462...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:11.831635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071544/manifest.json
observed fa66219b90dc62201d7d9d854ffaa44f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:11.814543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071544/publication.md
observed d1e7cccf72ab2e62d3059c693ffa7770...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:11.796334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071544/publication.txt
observed 23f5a0c0b9ddbe6e3d6affc12335b69b...
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.