OpenTechnical

OT-2026-000069743

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000069743) never changes.

Identity and time

Publication numberOT-2026-000069743 · never reused
Internal UUID01a0ae91-185f-7354-8892-8782d29cf645 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069743
StatusPUBLIC

Content hashes

Canonical text6c61f6e49dd2f43771e38a8f2f0078f10d90ac3a25344c37b94e991ab243a16e
Markdownd03d2b9aa5b09335b426462ef4c01af61fd569cb1c60df711e594195c8c77c27
PDF
Publication page0f17aae499f802fa5bd9569457346b98ec6532293886282c93d5f964f2009aa1
Manifeste010a5aecda10fbcd07335200d3c3171a0c442a37d1672b18608aa3cdff509d1

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
SignatureqtZEL6JCSMLUYxwCTKn6SlVFGIm0A3vR2z8v71lKEsJyJla6QlELuAcpxc7yfb1MobQHrBed61aZcpNeqCy1DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:26:33.526189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069743
observed 0f17aae499f802fa5bd9569457346b98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:33.508300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069743/manifest.json
observed e010a5aecda10fbcd07335200d3c3171...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:33.491752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069743/publication.md
observed d03d2b9aa5b09335b426462ef4c01af6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:33.475397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069743/publication.txt
observed 6c61f6e49dd2f43771e38a8f2f0078f1...
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.