OpenTechnical

OT-2026-000009201

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, pump fed, vented 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-2026-000009201) never changes.

Identity and time

Publication numberOT-2026-000009201 · never reused
Internal UUID01a0ae6b-31b9-7ccb-88aa-984d2f91f7f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009201
StatusPUBLIC

Content hashes

Canonical text4c23096dc5cafa4983f48a7d36ccd48be33110ad19ab21fc6a2bdef667bb3e50
Markdown5eeb13cff006e4c12301dd35718fcb4e4daeac680efcb2d59eaf3c66e7b324b2
PDF
Publication page4b205dcbf610a6cdaaf9a4bf3be8542b2a7292e5e0edf4b58d091aa3b14818cb
Manifest70f8932207df40d197240c3bf09821832261d79c72499e0f45d6daa51d92c84f

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
Signature2ETNelIeIzs1Cq7PfeFYrR/bNmYm4E+ioaPvkPyEhKNWQ1t8nfS8ZyKCBTliVIRcQRWXmfdlfT01yY558SHrDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:55.236442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009201
observed 4b205dcbf610a6cdaaf9a4bf3be8542b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:55.217656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009201/manifest.json
observed 70f8932207df40d197240c3bf0982183...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:55.200147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009201/publication.md
observed 5eeb13cff006e4c12301dd35718fcb4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:55.179392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009201/publication.txt
observed 4c23096dc5cafa4983f48a7d36ccd48b...
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.