OpenTechnical

OT-2026-000013771

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000013771) never changes.

Identity and time

Publication numberOT-2026-000013771 · never reused
Internal UUID01a0ae6d-8de9-712b-9e66-83286cc351f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013771
StatusPUBLIC

Content hashes

Canonical text391534bb9e1b47c8bebe536d29d9bf72b13ebcb8f7d1a5a6270a6442aaa84cee
Markdown0d3dd6663e78fef96bdf00526d92b298a41f94f8e4d084218bdefe51f48cd3df
PDF
Publication pageda40d6177f6eac19ea0ddc7771e56e51830d1f46a7ea99544c1782f017cb4cd6
Manifestaa32d879256d80a42f44ea9e9bc98c5cb9a24a90558a871e200b5a57dd144d9d

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
SignatureKaVf+xPUqzM5III4FLe7YcfHSvqoDhN9LkyQcQb7q366Lh+FNUyMcnqRmCzw7OH1VfSpRrVA4JkSBPNp2mtWAw==
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

2026-09-17T12:08:51.043090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013771
observed da40d6177f6eac19ea0ddc7771e56e51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:51.021388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013771/manifest.json
observed aa32d879256d80a42f44ea9e9bc98c5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:51.002220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013771/publication.md
observed 0d3dd6663e78fef96bdf00526d92b298...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:50.982128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013771/publication.txt
observed 391534bb9e1b47c8bebe536d29d9bf72...
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.