OpenTechnical

OT-2026-000033456

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000033456) never changes.

Identity and time

Publication numberOT-2026-000033456 · never reused
Internal UUID01a0ae75-a38d-78ae-893f-f18326a3dd75 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033456
StatusPUBLIC

Content hashes

Canonical text09ab2cf8e4d531ad6462619c1c32ea04533600885e47288480f402e5318073e8
Markdown8a7e58187fb1c39b626e2d988e0c0f6b6679c0c8196c72f856707d6a0876dba7
PDF
Publication page48b4b73e7262fcdd2a4e654f46896e380d0431ce14aad617399db45515d39ac0
Manifest7a4c9a70febd6a47b7bdf445a99dff9dc945709f4e1194bc20384950b04d062b

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
SignatureJYld+yMVXFj+mrkdQViA6dDbuQMcJx5rJ1HTYtdJn8NS550hKB/3EJkxyXyhTvKZQAHNen18emcYN8QWsPMiAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:31:17.549597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033456
observed 48b4b73e7262fcdd2a4e654f46896e38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:17.530426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033456/manifest.json
observed 7a4c9a70febd6a47b7bdf445a99dff9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:17.512887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033456/publication.md
observed 8a7e58187fb1c39b626e2d988e0c0f6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:17.495555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033456/publication.txt
observed 09ab2cf8e4d531ad6462619c1c32ea04...
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.