OpenTechnical

OT-2026-000008291

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, pressure sensor per zone, 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-2026-000008291) never changes.

Identity and time

Publication numberOT-2026-000008291 · never reused
Internal UUID01a0ae6a-908e-7ae3-a705-da6fb7b1c201 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008291
StatusPUBLIC

Content hashes

Canonical text0d7338be575c269d7858eb848a507ce2a75297edec5ff74e1a2b0b74b30d79fb
Markdownb4b92b4af69a9cd340ef06ce39f3f780fa5be61bf6fb45471d295e20f5bb9368
PDF
Publication page332b9119eaaadd2f6704426324b64da61d44b024ed4667a9ca04eba66d21a498
Manifest798ec029fa95589fb0254ad8b2fc3d49d6f713935e3a5ffcbaca83bf33a5053a

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
SignaturegfJLtM4Zf7VN1SpdQocxCcqUzLci98CToueyIZrR6uARArExOx3JY70mPbCXQ+kP+GvFyh+AOKC7kZFZJX8TDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:44.171250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008291
observed 332b9119eaaadd2f6704426324b64da6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:44.154342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008291/manifest.json
observed 798ec029fa95589fb0254ad8b2fc3d49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:44.137234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008291/publication.md
observed b4b92b4af69a9cd340ef06ce39f3f780...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:44.118561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008291/publication.txt
observed 0d7338be575c269d7858eb848a507ce2...
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.