OpenTechnical

OT-2026-000088965

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, pump fed, supply line pressure sensor, 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-2026-000088965) never changes.

Identity and time

Publication numberOT-2026-000088965 · never reused
Internal UUID01a0ae9b-8f11-747a-baff-26b42ebeea7a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088965
StatusPUBLIC

Content hashes

Canonical text0833c758d9f7773fb49ba643b3715bbf91f6372e354691e2bb8a6cc8b385eb77
Markdowndf8424a539f055b132719050bc501a7d7278afe329a40f639a2834192deb02a7
PDF
Publication page46205b600e1f00584cdd673bc17ebfd7517ceba4e65ed9b649a5bc0c5cddebd0
Manifest71cbc986ce7d0f29e5c76111f7eebd4894341744a74282fb5726a4dff89f727b

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
SignatureJXV0Nw39vVOwl28RhGWxTEPnVIZk3IW6d/Kudd0glkbo2UEwdxN1AzJPjjeLFk/mJ3uWUF5/eKnHwlSwaNZcAA==
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

2026-09-17T09:48:22.780923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088965
observed 46205b600e1f00584cdd673bc17ebfd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:22.760964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088965/manifest.json
observed 71cbc986ce7d0f29e5c76111f7eebd48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:22.742104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088965/publication.md
observed df8424a539f055b132719050bc501a7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:22.717608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088965/publication.txt
observed 0833c758d9f7773fb49ba643b3715bbf...
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.