OpenTechnical

OT-2026-000011914

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three 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-2026-000011914) never changes.

Identity and time

Publication numberOT-2026-000011914 · never reused
Internal UUID01a0ae6d-1942-7a10-be27-d92b3c7c18b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011914
StatusPUBLIC

Content hashes

Canonical textdbb4200a60a5f3ec9da86d4a73fae109744d9fd3535cadab01fe9b331c8f4953
Markdown33db1b5e045f2c29d6167651877959ad5f483bb3964875658e622c1343ec9d0a
PDF
Publication paged4482b0b75b85546efa30961d0b65e51d86c7d7870046a57425689789822d17b
Manifest051fc9257890dcf499533d32a8024bf423171a0a130820853423d86dd40fc757

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
SignaturePyPiAfxDAIYj/Ub57WvJQLKT8TVyHQvQGs1swVb2fDjopcPwNQPm6GgRfLzvIFxA67TrAwqouE91owUlZhQDDg==
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

2026-09-17T12:12:40.686204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011914
observed d4482b0b75b85546efa30961d0b65e51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:40.666655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011914/manifest.json
observed 051fc9257890dcf499533d32a8024bf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:40.648019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011914/publication.md
observed 33db1b5e045f2c29d6167651877959ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:40.629457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011914/publication.txt
observed dbb4200a60a5f3ec9da86d4a73fae109...
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.