OpenTechnical

OT-2026-000013315

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, single stage ejector, pulsed blow-off before 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-2026-000013315) never changes.

Identity and time

Publication numberOT-2026-000013315 · never reused
Internal UUID01a0ae6d-6fc9-7b52-90a8-4d502c884d5d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013315
StatusPUBLIC

Content hashes

Canonical texte358991b2acfe86f2b8b7416a95bf1760cfd749f409818da224332b569e7d6f5
Markdowndd31c0cde921656ce5c652561b9a9c699b6120df658a1984911c244525c7176a
PDF
Publication pageb12196e889a0a807065af7b58eaea2908721fac42060338bec46030a63636cea
Manifest3e6cec1486adbfe524be64015af2fdfdc2ccdac2b02b544f556aee8f2cc067e6

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
Signature0bb+YhKT7EbS2CBxftfMrbcXTY1u3Dloe6YiBHOBwB3PmNnMuIuRZdmGCwiahPMDjHIhKJPkB3mdGC7L5g4DCQ==
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

2026-09-17T12:09:44.830121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013315
observed b12196e889a0a807065af7b58eaea290...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:44.812536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013315/manifest.json
observed 3e6cec1486adbfe524be64015af2fdfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:44.790748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013315/publication.md
observed dd31c0cde921656ce5c652561b9a9c69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:44.771441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013315/publication.txt
observed e358991b2acfe86f2b8b7416a95bf176...
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.