OpenTechnical

OT-2026-000027935

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, two stage ejector, pulsed blow-off before 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-2026-000027935) never changes.

Identity and time

Publication numberOT-2026-000027935 · never reused
Internal UUID01a0ae72-a4a5-72a4-bdd4-befad37cef59 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027935
StatusPUBLIC

Content hashes

Canonical text917b815f38352c01049d1d714efa34371a07c19c6e2bcb2be5b95671be3ac4db
Markdown9842fd3083e193015444745073efe4506fcd89b895af5e1f65ccaa8ff12ec789
PDF
Publication page048e29e7ce1e4bbbad617d5851a4e7a0920443c95f58cbb2a393d51acf8da40f
Manifest1ac54930f0be7e98febac0dd5e3f7f3b482b4a2785d75270112bac0218591e34

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
SignatureBU3nMrHXPWxeKYaHDZ8J8DJ/PfI26FCgyx0z3EnTlQjs6wfiqMxEyAfcwQ+Xr/FEuX+9Wz/dgCfmZIGM46nDBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:42:06.923227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027935
observed 048e29e7ce1e4bbbad617d5851a4e7a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:06.904325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027935/manifest.json
observed 1ac54930f0be7e98febac0dd5e3f7f3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:06.886461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027935/publication.md
observed 9842fd3083e193015444745073efe450...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:06.869424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027935/publication.txt
observed 917b815f38352c01049d1d714efa3437...
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.