OpenTechnical

OT-2026-000101912

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, single stage ejector, pulsed blow-off 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-2026-000101912) never changes.

Identity and time

Publication numberOT-2026-000101912 · never reused
Internal UUID01a0aea4-50f1-7f1f-9031-3008db1e0dca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101912
StatusPUBLIC

Content hashes

Canonical texte42c5a6461c895a1a4900828f6aa698c15a0169396d45c46980bfa467d94b4cb
Markdown1f0b11ec821f45d4109b79d116aff123133f86998c20a664866b4d622829e43a
PDF
Publication page5a56d71c91e6b01ee99013ed86bf72054e73ef58b87e3e989a0b87f0fef10326
Manifesteebdc244101ee993e689c457522fafd0fe7444d678106af6b866d392cb26db70

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
SignatureeSpbQCSmtqfZ8eJa3JGP01c3+5FCecKffgNzsnwAdpkTpSCmQhXOj9btPAdb1G4t+XaWDRWjbhLAMdkQx9V6CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:24:31.654264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101912
observed 5a56d71c91e6b01ee99013ed86bf7205...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:31.636562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101912/manifest.json
observed eebdc244101ee993e689c457522fafd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:31.618432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101912/publication.md
observed 1f0b11ec821f45d4109b79d116aff123...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:31.596228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101912/publication.txt
observed e42c5a6461c895a1a4900828f6aa698c...
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.