OpenTechnical

OT-2026-000082413

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, pump fed, 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-2026-000082413) never changes.

Identity and time

Publication numberOT-2026-000082413 · never reused
Internal UUID01a0ae97-4d96-748a-9050-c96b3ded6298 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082413
StatusPUBLIC

Content hashes

Canonical textdbfe83fca49f39c610a8a3462a082e4bae01f9daeb315afdb1467e058586f0e5
Markdown1a793fa7aa522522ed3b9b4a07ec5664b7b5ab784994f079a86045329500ddad
PDF
Publication page55ad97ee085ef3eb2c9fb12c0da022e8af3fee642c096323140651dd88dc99bd
Manifestc45f59ea658d17a820499a8cb822672bf5921dcb51df6798f31f051963729b5f

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
Signaturea2D/GDFna+jioR+KpGaHW6h8as1E+fzAbbRQo4qRT36XJhawkHlFR93wa56qB6X8lB4kE4c+EDld+lx769wJDQ==
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

2026-09-17T09:59:17.961522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082413
observed 55ad97ee085ef3eb2c9fb12c0da022e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:17.941044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082413/manifest.json
observed c45f59ea658d17a820499a8cb822672b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:17.924180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082413/publication.md
observed 1a793fa7aa522522ed3b9b4a07ec5664...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:17.906017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082413/publication.txt
observed dbfe83fca49f39c610a8a3462a082e4b...
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.