OpenTechnical

OT-2026-000104058

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, three 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-2026-000104058) never changes.

Identity and time

Publication numberOT-2026-000104058 · never reused
Internal UUID01a0aea5-341e-74df-8bfb-08ac820ddec6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104058
StatusPUBLIC

Content hashes

Canonical textf2bad4c3d992c688f5112d2eedbad436b85e26c2edad60b6fa08a264b8f9cf4f
Markdownf5fdde63486a9bd23f2cb1aa025ff95d75b006c1332bdeace047a8f2fcb1907e
PDF
Publication page9f61b232518b94b083198ecd0e9b1d756e0b93a1148162ff6f17e66384ad5503
Manifestc7ef4d016ad53afc0f1223547aed31fadffcca1be0d409d972e9aea7b2bde5fd

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
SignatureDmD3cmA4MLNOpYIlk5n8romEu4WMOwcST9u+rccDbesnaRKm1AeLdV2ErACJ1J5ySr22D94l7+Rta6mWMdV2DA==
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

2026-09-17T09:20:07.640388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104058
observed 9f61b232518b94b083198ecd0e9b1d75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:07.624138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104058/manifest.json
observed c7ef4d016ad53afc0f1223547aed31fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:07.607416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104058/publication.md
observed f5fdde63486a9bd23f2cb1aa025ff95d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:07.588778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104058/publication.txt
observed f2bad4c3d992c688f5112d2eedbad436...
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.