OpenTechnical

OT-2026-000015536

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, 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-2026-000015536) never changes.

Identity and time

Publication numberOT-2026-000015536 · never reused
Internal UUID01a0ae6d-ef4a-731c-9fe5-de16b4ea0ac4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015536
StatusPUBLIC

Content hashes

Canonical textfb6153331bbd7c3207b029c8b2f6b8c9ddddaf3b1574cce50a2c596e84e0fbfc
Markdown4f6fbf39f0481adb1af5b95650d36ca24bf567203f0ed73af98b8f5e3172bff6
PDF
Publication pageeabbf5fcf691b0cf6eff3bcd4fc1010552443cffe4c4557b40ff762f2564dbbe
Manifest4c2951a6a8220ca62de0329c877513abbb47283174bd9500ac275cda21b04e0e

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
SignaturehkeP8NbBszvSLH4U6oiwTHrgcnc0K8l4S8S58u3boHP9pO5xNc4Q3QqQqxBeESYUUXCb9kl8dVACQDFt3X15BQ==
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

2026-09-17T12:06:18.993592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015536
observed eabbf5fcf691b0cf6eff3bcd4fc10105...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:18.974018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015536/manifest.json
observed 4c2951a6a8220ca62de0329c877513ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:18.954642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015536/publication.md
observed 4f6fbf39f0481adb1af5b95650d36ca2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:18.934533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015536/publication.txt
observed fb6153331bbd7c3207b029c8b2f6b8c9...
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.