OpenTechnical

OT-2026-000071246

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000071246) never changes.

Identity and time

Publication numberOT-2026-000071246 · never reused
Internal UUID01a0ae91-e0ec-7d81-931b-d9fcd585ee76 · 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-2026-000071246
StatusPUBLIC

Content hashes

Canonical texta9ea3b4e44109d8542490a4b32e2d758f6d63e9649523a0a4457b969d119f39e
Markdownbfc04a83a8ca68a1a436e693c2bce07994afff6624de0b43d65a3587c953e29e
PDF
Publication pagefbf1a0b3fce3429b073d7f7b90a4517f5d70b001bb264718c59297e12a7867ba
Manifest4829421c10c3e5f38d7d72f8466352825d7cc51f2f280557a3e7d38d890f8a8a

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
Signatureuy895B0oqih+U1xjZl+cEA40eejDa+i8gho3+Tij8UV74iskTdH5WpV7NGusizi/qVKE2+0npjp+pQxyk59VCA==
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

2026-09-17T10:24:47.893638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071246
observed fbf1a0b3fce3429b073d7f7b90a4517f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:47.875694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071246/manifest.json
observed 4829421c10c3e5f38d7d72f846635282...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:47.857041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071246/publication.md
observed bfc04a83a8ca68a1a436e693c2bce079...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:47.837173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071246/publication.txt
observed a9ea3b4e44109d8542490a4b32e2d758...
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.