OpenTechnical

OT-2026-000013596

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, 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-2026-000013596) never changes.

Identity and time

Publication numberOT-2026-000013596 · never reused
Internal UUID01a0ae6d-6fcb-70f5-a385-cbabfb7c1e0c · 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-2026-000013596
StatusPUBLIC

Content hashes

Canonical text8d798cedd649385837c9650f202f4e9a7b03249c54d28f148c9ca3fc31ab173e
Markdownb1e4c0bc8ae15ff1992c8edc864ed67ad755429204f0e35cc6f3739ede91ffe9
PDF
Publication page6a8dc890f5c718db79243adaecf406e67237f0f4e333683153ef5328581ba2e1
Manifest1ee84a5669b7b88afab8fef27dde7bd82903362f060154fe3217b26bb2d68d32

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
SignatureJ/gsft3/HWxGUg2hsCMVv9yCgJsdkNR1g+lk1uS98aBf/3g6SmuEL0VMx+IjTUPj6lV2ot8rK7poZJSNfvyyCw==
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

2026-09-17T12:10:09.011045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013596
observed 6a8dc890f5c718db79243adaecf406e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:08.991404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013596/manifest.json
observed 1ee84a5669b7b88afab8fef27dde7bd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:08.972365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013596/publication.md
observed b1e4c0bc8ae15ff1992c8edc864ed67a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:08.949923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013596/publication.txt
observed 8d798cedd649385837c9650f202f4e9a...
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.