OpenTechnical

OT-2026-000078462

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000078462) never changes.

Identity and time

Publication numberOT-2026-000078462 · never reused
Internal UUID01a0ae95-7c28-799d-b85e-1062051ad5c6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078462
StatusPUBLIC

Content hashes

Canonical text603f02d3048fb61d4bb00de064ae994238526cca9592943327c212f2e63c1e5d
Markdown18dcce51c82499cdc2aad8b904e7cde3a02b1778ec13c791e97050a3910b3b0e
PDF
Publication paged943844cb31cd002530045b28f48ed5f22fba399a2e414809f8fc02557f65ec8
Manifest1ba23ed17bd1335c37ffc6f20af8171cdf2da5599006b9283e1e9f539920f8e3

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
SignatureGR6uvHMv08Fm37qBwRBVSvcbCi1tqbZE/ZkHZL1nIVxnz60KfIiSSfqniD1ClXOJo1brxp+8eFPERFj5CQzTBA==
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

2026-09-17T10:06:27.859623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078462
observed d943844cb31cd002530045b28f48ed5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:27.841424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078462/manifest.json
observed 1ba23ed17bd1335c37ffc6f20af8171c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:27.823598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078462/publication.md
observed 18dcce51c82499cdc2aad8b904e7cde3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:27.804550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078462/publication.txt
observed 603f02d3048fb61d4bb00de064ae9942...
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.