OpenTechnical

OT-2026-000011839

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single 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-2026-000011839) never changes.

Identity and time

Publication numberOT-2026-000011839 · never reused
Internal UUID01a0ae6d-1941-7681-91a6-711caf8bc171 · 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-2026-000011839
StatusPUBLIC

Content hashes

Canonical textc210a8b8a0313fb16c9f5583531076ffb2f42ea3179c3762d83b0c6cc0872adf
Markdowncba86e9075efa7c5f8bead79cab0122c8176c85aa872e6fe3f2a0918f9520dd5
PDF
Publication pagea9a0fbbd5628fc815c68c69bdbf5721a1b068c873babf709849be555313db51b
Manifest1042edec09be43d4d4827942a58d20184ae0480beaec42d01bbd5b61b1ed95fc

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
SignaturenCcTAoJYYFrr9WRSkuJkkfmORx6kZxjbgQcMYywRm+aDoTnRZ+m4gJffo0bdYRTyp0gbmYNl87Gea/tXJZtMAw==
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

2026-09-17T12:12:34.589258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011839
observed a9a0fbbd5628fc815c68c69bdbf5721a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:34.570477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011839/manifest.json
observed 1042edec09be43d4d4827942a58d2018...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:34.551233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011839/publication.md
observed cba86e9075efa7c5f8bead79cab0122c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:34.533356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011839/publication.txt
observed c210a8b8a0313fb16c9f5583531076ff...
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.