OpenTechnical

OT-2026-000041422

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, two 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-2026-000041422) never changes.

Identity and time

Publication numberOT-2026-000041422 · never reused
Internal UUID01a0ae79-b145-70fe-b86e-03d6a7872c3a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041422
StatusPUBLIC

Content hashes

Canonical text21d4d202186327ee1afac2073d9a0dbee14f3fab6f147b7c1b78d2adfe1e0c68
Markdownaa7281fffb38d4572318d86d96fc9628b1cf6b44025d952caa5dd2156b25cbd1
PDF
Publication page1947c45684e223d4ee1bd5b74448304d47b075f6b839c33bad9a6b8a33879806
Manifestd6c97de42a3cedecb8cc69e86a1fa9b547cc95d488018e021b3038683dbc3abc

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
SignatureirAar4vH2nu5aQ1bZUQaf5h0NMGBWW3IGmCTuWMvfPWKRAtHoQ8RJlp4fEY8OveehST5laI9yCuRQrpMGAGhCQ==
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

2026-09-17T11:17:26.384538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041422
observed 1947c45684e223d4ee1bd5b74448304d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:26.367589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041422/manifest.json
observed d6c97de42a3cedecb8cc69e86a1fa9b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:26.349929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041422/publication.md
observed aa7281fffb38d4572318d86d96fc9628...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:26.331545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041422/publication.txt
observed 21d4d202186327ee1afac2073d9a0dbe...
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.