OpenTechnical

OT-2026-000091539

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, three stage ejector, pressure sensor per zone, sustained blow-off before set-down, on a tool changer

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-2026-000091539) never changes.

Identity and time

Publication numberOT-2026-000091539 · never reused
Internal UUID01a0ae9c-f16e-74dc-a681-531f4735354c · 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-2026-000091539
StatusPUBLIC

Content hashes

Canonical text9f0a2c89511fe7952d9df317119180eaaea192e88fc53efed48a08c2eebe47bb
Markdown62186b738c6ae058e5b4b8331e76a1c07c907984c45d25e184dcb51b37bad261
PDF
Publication pagef3724a4aae0358ce5cf88c71a1a7dee71a25098dc9d21a0e6275dd9547f413a3
Manifestedd586568c7544074fa4884532d89c2ed7dad18832e2f09c0dbb7781468af295

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
Signature7vEuYBm+7a8BFTX0QRR37GLUDLymRYdQ9zqQV5TKD4Th3nHkib5xOHGFspYPOIz/ppuBRUhxV3lbWqYlODPvDA==
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

2026-09-17T09:43:48.472992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091539
observed f3724a4aae0358ce5cf88c71a1a7dee7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:48.457438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091539/manifest.json
observed edd586568c7544074fa4884532d89c2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:48.440837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091539/publication.md
observed 62186b738c6ae058e5b4b8331e76a1c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:48.423797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091539/publication.txt
observed 9f0a2c89511fe7952d9df317119180ea...
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.