OpenTechnical

OT-2026-000081184

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, vented after 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-2026-000081184) never changes.

Identity and time

Publication numberOT-2026-000081184 · never reused
Internal UUID01a0ae96-f373-7ba0-b73c-f355b4a4d21a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081184
StatusPUBLIC

Content hashes

Canonical texta31d4b21bdb23d0d1e8cafdd1115410861a924d2d8cf7dc0e0e69ca9aa345a34
Markdown920d27007baa58ac255b996b901181cf1c6775da25e4a8d4ff50428ace808be8
PDF
Publication page047a52a4e6966866a34caab3c2464fc0e5cd529ca2c7cf52db008875f83870f9
Manifest9a4eca62d1f5e75e6c1b320abcf6559a1ea731d955f37fd2fc96d3b5069ec2f1

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
SignatureqYJeOrdO6vLrA9urWNVlEdqVuRP64aXYtU5RcDhJ96RVckm0Pl1dYbyn86TVkBByayFo2uTM2KefBxEH64fdBw==
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

2026-09-17T10:01:15.146375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081184
observed 047a52a4e6966866a34caab3c2464fc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:15.126278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081184/manifest.json
observed 9a4eca62d1f5e75e6c1b320abcf6559a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:15.108050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081184/publication.md
observed 920d27007baa58ac255b996b901181cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:15.089349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081184/publication.txt
observed a31d4b21bdb23d0d1e8cafdd11154108...
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.