OpenTechnical

OT-2026-000015268

Publication integrity record

Single bellows cup vacuum gripper, three 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-2026-000015268) never changes.

Identity and time

Publication numberOT-2026-000015268 · never reused
Internal UUID01a0ae6d-ef48-77c2-931f-5b9a6a07d5c7 · 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-2026-000015268
StatusPUBLIC

Content hashes

Canonical text449b419dce804ffc4591cd6e16b655e1f42d346d7adbdbb9567f3ffd0fda3a40
Markdownd3dd5657081c1a834f06436991e37b3dc37c165caf3c8e6e16f551a7371c5f9a
PDF
Publication page6fc0564b5e8ffcd1bf97897938b192ef41598244dc48a50b7720c5366804fd5f
Manifest301f1430f11e43e0509c6014454bd983ff870f7874c1bb2eee61fd381f002f13

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
SignaturezNYlVyKtOEfhYPXAiR0RKIvv2WHic5Q3CGcV0G5DLovlRWvP0/j6YAnQFHJtZkx6ua+z9EOUcJn0ASSmrHgbAg==
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

2026-09-17T12:05:56.706469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015268
observed 6fc0564b5e8ffcd1bf97897938b192ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:56.687277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015268/manifest.json
observed 301f1430f11e43e0509c6014454bd983...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:56.666592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015268/publication.md
observed d3dd5657081c1a834f06436991e37b3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:56.645812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015268/publication.txt
observed 449b419dce804ffc4591cd6e16b655e1...
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.