OpenTechnical

OT-2026-000082540

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000082540) never changes.

Identity and time

Publication numberOT-2026-000082540 · never reused
Internal UUID01a0ae97-8cc7-7d3f-bb4c-6e2de0fbe1d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082540
StatusPUBLIC

Content hashes

Canonical text1735bd4d227373dc5fe4b6a760ed83c72cea699d767bfe7db9014c778b6506d6
Markdown57da03c2c1a99ad6189ebc901fd2be48619dd69a4ae0062b87db17f210181376
PDF
Publication page8052a2cea1e3d48dbea1d1a546bcaba5c39254336981e1c965dc2beaba4fa65b
Manifestf06609d8873267f6879d38c39ea6b8dc1a0c4c6338aff77e4a9d9359152ed375

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
SignaturephUvk3CudNfQA29xas7rhXHIebQYmaDKUeaua9rEUZs0hgL2PVIsWu87SJKqjcM1lJOPfW+vxU3/IegoxqnBAQ==
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

2026-09-17T09:57:58.529554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082540
observed 8052a2cea1e3d48dbea1d1a546bcaba5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:58.514573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082540/manifest.json
observed f06609d8873267f6879d38c39ea6b8dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:58.496913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082540/publication.md
observed 57da03c2c1a99ad6189ebc901fd2be48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:58.481050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082540/publication.txt
observed 1735bd4d227373dc5fe4b6a760ed83c7...
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.