OpenTechnical

OT-2026-000056008

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, sustained blow-off 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-2026-000056008) never changes.

Identity and time

Publication numberOT-2026-000056008 · never reused
Internal UUID01a0ae87-0a4a-730d-87e2-4747021e37d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056008
StatusPUBLIC

Content hashes

Canonical text1fbf305715d9a0df95178338c8c3e53c72f48734feff9e1c485b0d0cf21422f3
Markdowne66fdf8929bd0d33d107f733e38a5ecab3df907691b269e9bad5eaf8ecc212e4
PDF
Publication page6d551cfe85b90f840c7ad813a933e51f093385a94b8f644f4af907675dbc71e7
Manifest65988d34516f37a90f8afdedbdd391c98e92f0e4a4a72c95bc35580903bb79c0

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
SignaturefgNaG9UgzUXmpSZ2KQ9xpvYx+FxINFDVrwco+9HmXsTnJRH5dIaZYkbYYSJwJMzYzI+5v8jHPrzZCTwnOuvvDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:32.080600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056008
observed 6d551cfe85b90f840c7ad813a933e51f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:32.063036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056008/manifest.json
observed 65988d34516f37a90f8afdedbdd391c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:32.045882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056008/publication.md
observed e66fdf8929bd0d33d107f733e38a5eca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:32.026928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056008/publication.txt
observed 1fbf305715d9a0df95178338c8c3e53c...
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.