OpenTechnical

OT-2026-000080794

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, 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-2026-000080794) never changes.

Identity and time

Publication numberOT-2026-000080794 · never reused
Internal UUID01a0ae96-b974-74e0-847d-6deb775276a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080794
StatusPUBLIC

Content hashes

Canonical text4beb540e0c394bcf3817cef2f547f0bc05bb8115c86be4a0798d434c614d46cc
Markdown2efc52ce5b33af08c95aaddab26542b62bb8bddf1a318c99c87c8c939d170786
PDF
Publication page615af3644d40832bc5584187ae47a183f0654aa9e9dd8071b6a41771164dff1f
Manifest7454d3fdcb73e6c3a23a276f152f04d78b8aa104082948f3b5b95b2b9abe40fb

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
SignatureShw4baG12rR2P5r2/c6LbklL8E8QU2TnUxLJV0vjCakNPxtzwfdSHU3g2i/Qlo5iebgUDgyRYQkaHQFjHk6UDQ==
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

2026-09-17T10:01:58.205038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080794
observed 615af3644d40832bc5584187ae47a183...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:58.184904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080794/manifest.json
observed 7454d3fdcb73e6c3a23a276f152f04d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:58.163170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080794/publication.md
observed 2efc52ce5b33af08c95aaddab26542b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:58.144019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080794/publication.txt
observed 4beb540e0c394bcf3817cef2f547f0bc...
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.