OpenTechnical

OT-2026-000073501

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, pump fed, supply line pressure sensor, 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-2026-000073501) never changes.

Identity and time

Publication numberOT-2026-000073501 · never reused
Internal UUID01a0ae92-efb9-729f-beca-30fd89ec0e43 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073501
StatusPUBLIC

Content hashes

Canonical text3a809d6fd644445cee689cbd0bc0dc20eceb7b5eea40f34d2a1139db6ef2424c
Markdown75cefcf215c00cddae16e453884b4f5f0bf5ea2f4b92063a6040e1b830099023
PDF
Publication page2fe1670ccda8af78fedc64aa912806031bf873ffce889fcc1a1f6ce1c0965b59
Manifest53b11e3d0c8b2fcd0b433b7aa99c3e2a2325d6c5f5fbd4d73e136de0f12e5739

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
Signaturec5ugVnXGwvW9ODqrADP0NFmZTZgD7xGtbzeL0YUeCEodipUXUPP6yt4VvSNRDd66DbBvJOmR9Hx4QOt8b4d9BA==
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

2026-09-17T10:21:40.306023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073501
observed 2fe1670ccda8af78fedc64aa91280603...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:40.287965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073501/manifest.json
observed 53b11e3d0c8b2fcd0b433b7aa99c3e2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:40.270720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073501/publication.md
observed 75cefcf215c00cddae16e453884b4f5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:40.252528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073501/publication.txt
observed 3a809d6fd644445cee689cbd0bc0dc20...
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.