OpenTechnical

OT-2026-000103793

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-2026-000103793) never changes.

Identity and time

Publication numberOT-2026-000103793 · never reused
Internal UUID01a0aea4-e463-7453-8a17-0f1fb2795a4c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103793
StatusPUBLIC

Content hashes

Canonical text76c9e7c23a4faf4226aaee754b4a47ac7a549fea423a6eaf8c9bf88f00391de6
Markdown3bf2332901b47db033fd199a8b4d4aadf721d0c92cbf83ac2c6de55e7864b407
PDF
Publication page3b22d3b587d57f68b16fb19a3fdc8a15832c363ab6159fde22143c0218f8206e
Manifest1bdac5e261bd45e92d00a8aa9d0a4bfb69ff98704e5b1e090ae006129d4339a4

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
SignatureTTTSoHpn8jW7EuZwCzyMttpeTbQrBTUGuLn/0zH+MFwAfzwjaCsIuelTYn6PIE4pqhsjIS5ktwSXZm/l9E3tDg==
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

2026-09-17T09:22:44.821837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103793
observed 3b22d3b587d57f68b16fb19a3fdc8a15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:44.806388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103793/manifest.json
observed 1bdac5e261bd45e92d00a8aa9d0a4bfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:44.791344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103793/publication.md
observed 3bf2332901b47db033fd199a8b4d4aad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:44.774496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103793/publication.txt
observed 76c9e7c23a4faf4226aaee754b4a47ac...
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.