OpenTechnical

OT-2026-000015649

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000015649) never changes.

Identity and time

Publication numberOT-2026-000015649 · never reused
Internal UUID01a0ae6e-0c4b-7443-87f4-554e02747f25 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015649
StatusPUBLIC

Content hashes

Canonical textbee666e0ee37b89efaefe770c61a0ad34175616970f99a87b64ec4e7d2e8acd5
Markdown7cbbf693fb11ebf80b698c526beb456bc6cccb37763306f10493cde92b23281b
PDF
Publication pagef90a05e6e16dd3d024062a166c6810513669d27770cfdb49dfb8e317dc823983
Manifestbfeff40b1ecc6a5f29e7e0d3f307f1ff4e7b02deb02eb2b6cd46e32e6427d11e

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
Signaturexn7lKpMYRFKgwH9JlQVYJNBopCAA1ftIOniQDt5x3Dv/2vl4x/Ho3rhDJFXmGTydwesSc+f7WooD+WQjxkVmDw==
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

2026-09-17T12:04:54.509358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015649
observed f90a05e6e16dd3d024062a166c681051...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:54.492043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015649/manifest.json
observed bfeff40b1ecc6a5f29e7e0d3f307f1ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:54.471914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015649/publication.md
observed 7cbbf693fb11ebf80b698c526beb456b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:54.454158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015649/publication.txt
observed bee666e0ee37b89efaefe770c61a0ad3...
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.