OpenTechnical

OT-2026-000008217

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, pump fed, 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-2026-000008217) never changes.

Identity and time

Publication numberOT-2026-000008217 · never reused
Internal UUID01a0ae6a-908d-7990-af18-fcb943d1cc71 · 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-2026-000008217
StatusPUBLIC

Content hashes

Canonical textb86caf2880b31cf7378b25e7999140e37adf948fa3fb1fb0ce390f01a9e5960c
Markdown9a6e9c2d02331e6540dcec1ccddd788b278fae2cb6463c0addcac3a6b682d10c
PDF
Publication pagea50100199608e6c58ca95cd5798e62fe39ad72c71a5b913553827cbc1ad4a1a7
Manifesta426dbaf73de80fc9b4357c059363b5f8cafd0fb5ffdfde70e59d417d628cb7e

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
SignatureeG0uPsTGmOxIkHapjvlnjROJ//IkicrvrTGEAvysxdY61FxSHbVBLyOvXcWOdH1nE2h25/Qcm82d6HV7U1vlAg==
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

2026-09-17T12:20:37.874452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008217
observed a50100199608e6c58ca95cd5798e62fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:37.856511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008217/manifest.json
observed a426dbaf73de80fc9b4357c059363b5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:37.835774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008217/publication.md
observed 9a6e9c2d02331e6540dcec1ccddd788b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:37.816879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008217/publication.txt
observed b86caf2880b31cf7378b25e7999140e3...
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.