OpenTechnical

OT-2026-000090499

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, single stage ejector, pressure sensor per zone, sustained 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-2026-000090499) never changes.

Identity and time

Publication numberOT-2026-000090499 · never reused
Internal UUID01a0ae9c-7f2e-77a7-89e8-c991d29b2d59 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090499
StatusPUBLIC

Content hashes

Canonical textc057da86239d4e5a0b8d28b5a5c1057b19341a10a3d061e7ea0e87fa1aa65282
Markdown88cdbe8ccb6eb9dc2865d2c1ef47f2025a69082d7b57ffa2c52d76795711043c
PDF
Publication page2b6aecd172e51795e553feee0991f5ef9f5d9ef6cbfcc9c92edc570a50f877bf
Manifest5e18937dfb27b4ddbca191e02ff656e6a8be40fde424420cdfb221f1fe9797fe

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
SignaturesNcGFBPONL0sBr1/UFrTdSxrGw4MdhktULM8poaDT9vGsu1RzaMqQrhlcze3WQ5up5KET9qFds5kaO+oj2asAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:44:38.482948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090499
observed 2b6aecd172e51795e553feee0991f5ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:38.466352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090499/manifest.json
observed 5e18937dfb27b4ddbca191e02ff656e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:38.448352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090499/publication.md
observed 88cdbe8ccb6eb9dc2865d2c1ef47f202...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:38.430813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090499/publication.txt
observed c057da86239d4e5a0b8d28b5a5c1057b...
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.