OpenTechnical

OT-2026-000101556

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three stage ejector, pulsed 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-2026-000101556) never changes.

Identity and time

Publication numberOT-2026-000101556 · never reused
Internal UUID01a0aea4-0e15-79a1-92a8-eae225c85107 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101556
StatusPUBLIC

Content hashes

Canonical text88f689eeb5d5122d79e020900e8ef7426a7d026485a89b8505e126b4c1c76417
Markdown4ed86130b7223cb17a6d026d38077ed17924b14cff2f279841692894901ab440
PDF
Publication pagec707fe83970296758c77db2d418cbe08f566ba750c618f0fd2ad3dda14de91b1
Manifest7e4b2935ab1c6c98430caeb7b1ce624d9d440b524abea3d7560629959f60cd0c

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
SignatureXvTyQPbSy+NyeGzTfqBrYZ6YyogDB8O62tAW/sZiJJFnGcXt8qhV1PBFSvVz89p8KOGL7iA7sXDaVzd3jTGVAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:36.076038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101556
observed c707fe83970296758c77db2d418cbe08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:36.058093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101556/manifest.json
observed 7e4b2935ab1c6c98430caeb7b1ce624d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:36.040429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101556/publication.md
observed 4ed86130b7223cb17a6d026d38077ed1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:36.021408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101556/publication.txt
observed 88f689eeb5d5122d79e020900e8ef742...
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.