OpenTechnical

OT-2026-000091425

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three 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-2026-000091425) never changes.

Identity and time

Publication numberOT-2026-000091425 · never reused
Internal UUID01a0ae9c-f16d-7548-b1dd-7d1f3443e285 · 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-2026-000091425
StatusPUBLIC

Content hashes

Canonical text2a7c9bfa6a22a0cd2fcfaa8acee75c62d73b97b18a39ff99c63759eb654642a9
Markdown964feb72904f3af38a3174c68ff065f6e140af04c381714763547a2e51474b84
PDF
Publication page5a754aa569195ea41a67a4f343641642bb7ac6ebc0d1dd96829ec160ea808a6c
Manifest1c01c1aa54cf4e31431b0619828003cf53fa028de0552ffebd899dd66cb2142a

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
SignatureqercgcoeX5h9QRxW9uyhUoF9aoaiOTlRtEgICzzDi8m3h/VdF3CxWVKx0FOAYcR0mxs0ZETeP60NIz6CHqAwDg==
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

2026-09-17T09:43:39.789312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091425
observed 5a754aa569195ea41a67a4f343641642...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:39.769136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091425/manifest.json
observed 1c01c1aa54cf4e31431b0619828003cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:39.749948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091425/publication.md
observed 964feb72904f3af38a3174c68ff065f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:39.731652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091425/publication.txt
observed 2a7c9bfa6a22a0cd2fcfaa8acee75c62...
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.