OpenTechnical

OT-2026-000037507

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, supply line pressure sensor, pulsed 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-2026-000037507) never changes.

Identity and time

Publication numberOT-2026-000037507 · never reused
Internal UUID01a0ae77-b8ce-73e9-bbaf-ddb299c7e46f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037507
StatusPUBLIC

Content hashes

Canonical textb1805d9118c0046cd50d619b137fbc7d6b889ad33b771d0f2784bab4b78203c5
Markdown768c626c8f78ab211a309a86a8d827d57ca7d546fdbf6ec5976ec2985526e8d8
PDF
Publication page0cfee4f82b66a227a60faf52ba3117fdd63e2c778fdcfe139c278009869c96a3
Manifest3f6284583f43aeec2aa30275e61a7bb6c5ab6428fd00b76d2f56fd468a989ea7

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
SignaturebvVv0nFkn3iY170G5xfBvqcIgCCVy5UHI+OMWnP0muA/vt7FwjLqz7COQ2yKKk3nQ91dzcklwUqTS/k7tWC1BQ==
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

2026-09-17T11:23:57.304203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037507
observed 0cfee4f82b66a227a60faf52ba3117fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:57.289576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037507/manifest.json
observed 3f6284583f43aeec2aa30275e61a7bb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:57.273563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037507/publication.md
observed 768c626c8f78ab211a309a86a8d827d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:57.257187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037507/publication.txt
observed b1805d9118c0046cd50d619b137fbc7d...
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.