OpenTechnical

OT-2026-000091493

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four 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-2026-000091493) never changes.

Identity and time

Publication numberOT-2026-000091493 · never reused
Internal UUID01a0ae9c-f16d-7e40-915a-8555068391ae · 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-2026-000091493
StatusPUBLIC

Content hashes

Canonical textb9405b153b46559ddfb9c1a13324937f383a41eaa5c8b1a7cad7ac31cf1584a2
Markdown94b92f310c8768be889df9777ccc8b1db53cdc3ba8856a273c67a956e60bf363
PDF
Publication page8673ef95e0ad0042decba36fae8c48611f03f1d8539ca08ea9ddd488dcb36caa
Manifestfa584628d2334831e1b2f139df61fe23bd9e8dbaaf6664a495d23f3cb492c921

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
Signature6vDzFYM6ZVR1XTNpx80qRXW6G6gtXMoY5x1pl+mbMXLvC3c3fLJQXMAaXl0qnR1RLn2m5wJJZgD+It+4Xv8gAA==
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

2026-09-17T09:43:45.101640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091493
observed 8673ef95e0ad0042decba36fae8c4861...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:45.083854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091493/manifest.json
observed fa584628d2334831e1b2f139df61fe23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:45.065829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091493/publication.md
observed 94b92f310c8768be889df9777ccc8b1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:45.044101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091493/publication.txt
observed b9405b153b46559ddfb9c1a13324937f...
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.