OpenTechnical

OT-2026-000026580

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, sustained 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-2026-000026580) never changes.

Identity and time

Publication numberOT-2026-000026580 · never reused
Internal UUID01a0ae71-f4a9-73a5-a518-b1f1fb4841b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026580
StatusPUBLIC

Content hashes

Canonical text004e36d1c1b68a9c0dc4b6d2c72df2fa7401a58e3f274a2591e258fdea0d59df
Markdown5d0c4ee6f291075ee4709f5c886fafdf70d3bc3db879e8aa3c2f7ea31f04add5
PDF
Publication page0bf2f6ac77356bf2db92d5592506ff8d7646b4f9e21c6e72213b36b256758173
Manifeste2ea65bacf0df825fe67d9aba9418eb8d9f9a08192b657e1e43203d5629dc0a2

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
SignaturexaxvKnJ2vuoPK4PmsHrXVpLbT6BRMNMFCxCzFuiJYqGAUJjiMa4itQ00sC0ApvxfutZAuxF854C6VpweCO4vAw==
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

2026-09-17T11:45:38.692145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026580
observed 0bf2f6ac77356bf2db92d5592506ff8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:38.667662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026580/manifest.json
observed e2ea65bacf0df825fe67d9aba9418eb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:38.648662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026580/publication.md
observed 5d0c4ee6f291075ee4709f5c886fafdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:38.627013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026580/publication.txt
observed 004e36d1c1b68a9c0dc4b6d2c72df2fa...
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.