OpenTechnical

OT-2026-000037720

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, 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-2026-000037720) never changes.

Identity and time

Publication numberOT-2026-000037720 · never reused
Internal UUID01a0ae77-b8d0-7c26-9b7e-74870e21df2b · 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-2026-000037720
StatusPUBLIC

Content hashes

Canonical textc49a4080e46c7885548c5226d1342083906a59557d9c5c6b845401b36ff7d75b
Markdown438135688f5f08995ed82eb1692893a40695ad83ec69ddddf536cf4919a356e0
PDF
Publication page18845890450deb6ef6e04f9b65863370328f658ec623d8b3f892dad29718ec80
Manifest96f54edec062b851730989ff2af871630c8ba5cdd6b57f11755f2c00c750bbd6

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
SignatureQdziU0qO+2/n4zmLKmTKIqGuPOP60E7ocM6S3hmuizpIGF6WtCNkWsvj8b7IZmg3Y0EZhEs9BMKGN/BDpoStBg==
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

2026-09-17T11:24:18.909975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037720
observed 18845890450deb6ef6e04f9b65863370...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:18.892895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037720/manifest.json
observed 96f54edec062b851730989ff2af87163...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:18.873619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037720/publication.md
observed 438135688f5f08995ed82eb1692893a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:18.854559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037720/publication.txt
observed c49a4080e46c7885548c5226d1342083...
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.