OpenTechnical

OT-2026-000056992

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, sustained blow-off after set-down

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-2026-000056992) never changes.

Identity and time

Publication numberOT-2026-000056992 · never reused
Internal UUID01a0ae87-d5b5-7ad5-98c8-4f1b680cd5bd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056992
StatusPUBLIC

Content hashes

Canonical text225120dfc4616ad57abca6b475c50ebf4d0e88df28358fb8247e56ec2eda3106
Markdowndb40285bcb7fdc8b5eb564a2c57e9a47efe72a7072999a67ac6c4732e65d686c
PDF
Publication pagee5953a48b5cd1b8de8d1a9c8bfb2a6f06032e22d21be5f2241eea49a9f2aa188
Manifestb7573a47eabbc2087613f563617a526ad1d5db471249cc6ef557707bfeddcf2e

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
SignatureVwufOif6x9hn3EIeKLDvHJdoPwrzzpr7T+5f8epD3VvHO0A5kMGftAZxl4O571xyRXo7WfCuWxk0ZUGLeki0Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:48:27.796816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056992
observed e5953a48b5cd1b8de8d1a9c8bfb2a6f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:27.776134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056992/manifest.json
observed b7573a47eabbc2087613f563617a526a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:27.757227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056992/publication.md
observed db40285bcb7fdc8b5eb564a2c57e9a47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:27.739271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056992/publication.txt
observed 225120dfc4616ad57abca6b475c50ebf...
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.