OpenTechnical

OT-2026-000078003

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, three 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-2026-000078003) never changes.

Identity and time

Publication numberOT-2026-000078003 · never reused
Internal UUID01a0ae95-2ed1-79a1-b4f4-cdd349670133 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078003
StatusPUBLIC

Content hashes

Canonical text05a5daae7a9d137aee543879c07ab698f17c573a5e22549fd5b22c6ba39edc81
Markdownc257f550ade0737e02d2858fd39f26a838d3536724cbff5fcaf0d2547bd21a54
PDF
Publication pagece55b0aba81f16bbc8fb0c6f23b5bbd362244e9cec1bf50e7cd5246484a167f4
Manifestee95522a9e3f1514d66fdafa389a7356fc4a26a324c096a8add5bfe606c50f0b

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
SignatureXHE0oZtayeEFB5PQQzPAxMre2bccQ5C93pxZ9R2cEjbyuxfaPyvc9+52zpnHLB59UGvSNZLld+gGZkAkzdPtCw==
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

2026-09-17T10:10:28.285559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078003
observed ce55b0aba81f16bbc8fb0c6f23b5bbd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:28.265821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078003/manifest.json
observed ee95522a9e3f1514d66fdafa389a7356...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:28.248780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078003/publication.md
observed c257f550ade0737e02d2858fd39f26a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:28.227728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078003/publication.txt
observed 05a5daae7a9d137aee543879c07ab698...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:17.462167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078003
observed ce55b0aba81f16bbc8fb0c6f23b5bbd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:17.432315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078003/manifest.json
observed ee95522a9e3f1514d66fdafa389a7356...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:17.414428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078003/publication.md
observed c257f550ade0737e02d2858fd39f26a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:17.397748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078003/publication.txt
observed 05a5daae7a9d137aee543879c07ab698...
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.