OpenTechnical

OT-2026-000091185

Publication integrity record

Foam pad vacuum gripper, two zone face, two 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-2026-000091185) never changes.

Identity and time

Publication numberOT-2026-000091185 · never reused
Internal UUID01a0ae9c-f16b-7258-9604-14dd4a3ca1b1 · 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-2026-000091185
StatusPUBLIC

Content hashes

Canonical textd098a68083397ce424538f303e49d4cfd48c96909b5f066f2e1b0b8fbc441b02
Markdown77cdeff9274480ce06ca4143bb9542dd122cc7b4e4bc9e7829d269f91401d5a0
PDF
Publication page2dd45f78434c3dbcede97b5713333946dbace8a5e797c3851b48c4c16408c2f3
Manifest2d0370cfadd892849e85d1051bd1ef2ccb0cbef2164e0f123ea8d6ff3ed2310c

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
SignaturePZ0yLMuSsOlGkf2/ATcu+SO92wE7ohsiwr85iAUH/j7i/MVZ0XiHElveXlljUkabCtlRSzRhoOJWl4CpFm/gCw==
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

2026-09-17T09:43:20.768347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091185
observed 2dd45f78434c3dbcede97b5713333946...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:20.750367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091185/manifest.json
observed 2d0370cfadd892849e85d1051bd1ef2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:20.733483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091185/publication.md
observed 77cdeff9274480ce06ca4143bb9542dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:20.715914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091185/publication.txt
observed d098a68083397ce424538f303e49d4cf...
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.