OpenTechnical

OT-2026-000060740

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two 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-2026-000060740) never changes.

Identity and time

Publication numberOT-2026-000060740 · never reused
Internal UUID01a0ae8a-b7ce-7cd8-9ce8-7108c9adbe98 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060740
StatusPUBLIC

Content hashes

Canonical text073d2e418f3342d643c7dded5fa9e8c5db8ddf6f87a4151928fe55af829eb78c
Markdown619c61b1792b59da248fa3eb56b6a1e79bc5d53af7678766fb9adc6597e1d14e
PDF
Publication page046489b3468d33541ca42dab078f15779858c17d4df7a4fdf5aac524d58f4f9b
Manifest6394e3bd64f0364e4168a3ae3afcdfb90ada497ebe017323e57ac80f355b42d2

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
SignaturewgFrn41xBFFl0CPIDaFlZYcnrYJ1TF+1C67g+H3KPJ6I7nuuUZCh0jaxX3PlyUgJjbluGeWPw1fvaiXkpkM2BA==
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...

Independent retrieval

2026-09-17T10:43:28.492433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060740
observed 046489b3468d33541ca42dab078f1577...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:28.476876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060740/manifest.json
observed 6394e3bd64f0364e4168a3ae3afcdfb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:28.460855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060740/publication.md
observed 619c61b1792b59da248fa3eb56b6a1e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:28.445108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060740/publication.txt
observed 073d2e418f3342d643c7dded5fa9e8c5...
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.