OpenTechnical

OT-2026-000091293

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, 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-2026-000091293) never changes.

Identity and time

Publication numberOT-2026-000091293 · never reused
Internal UUID01a0ae9c-f16c-7986-be52-63ed7eb09887 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091293
StatusPUBLIC

Content hashes

Canonical textefa963c6c00081b8a97e64bdfc6aa64f6bee407a3778b3587f947ccf5653442d
Markdown130ae801256975fdba5cc9dd6c8e11e42519814aaa6af5b106fbdf28df8e3409
PDF
Publication page27f63f2491ca11b4968a41f83d323fc5f094a760fce82ac50ee8a1ff1fd093f2
Manifest8973e7b278ef6e292c772cf6baeb3856405f9a9e86182f6b1047fb3df0a60040

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
SignatureisSw0/JlnqF6/teVrsSt8RbKVH6xfBzG7D3X2a9hJA5t7g2ZVFX7L+81/Y40GW53ijxkdVW+iVwfZKk3PgLABg==
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

2026-09-17T09:43:29.177302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091293
observed 27f63f2491ca11b4968a41f83d323fc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:29.159688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091293/manifest.json
observed 8973e7b278ef6e292c772cf6baeb3856...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:29.139583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091293/publication.md
observed 130ae801256975fdba5cc9dd6c8e11e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:29.119296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091293/publication.txt
observed efa963c6c00081b8a97e64bdfc6aa64f...
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.