OpenTechnical

OT-2026-000031679

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, two 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-2026-000031679) never changes.

Identity and time

Publication numberOT-2026-000031679 · never reused
Internal UUID01a0ae74-bad0-73d5-b9b7-830392009177 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031679
StatusPUBLIC

Content hashes

Canonical text9366bcd45a67a667914171448ec2aaaa47aa09993946839c25673b975c132c61
Markdown0aaaae3889469052e9d1011e30667d51e93c6217a1e73e8d163f943ed3e0f230
PDF
Publication page8d6125ba3ca4f8cc3851fa2965ecf599e9b3a2b04a55425ff397c2b8dc02144d
Manifestfc6970f96286e697305cde63454fcaac55a4af71ad91cc3de7fb9378edf81fd4

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
Signatureb3KQ9yaLQgf3WrZoGAVc/+Y6CtfQ28Ori9eIZRth7PosNcz5Vl/636zSr4J98s8KbzY7DIRS0fSm7XKAiAF8DQ==
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

2026-09-17T11:34:46.757297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031679
observed 8d6125ba3ca4f8cc3851fa2965ecf599...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:46.739790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031679/manifest.json
observed fc6970f96286e697305cde63454fcaac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:46.722149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031679/publication.md
observed 0aaaae3889469052e9d1011e30667d51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:46.703142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031679/publication.txt
observed 9366bcd45a67a667914171448ec2aaaa...
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.