OpenTechnical

OT-2026-000069897

Publication integrity record

Foam pad vacuum gripper, two zone face, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000069897) never changes.

Identity and time

Publication numberOT-2026-000069897 · never reused
Internal UUID01a0ae91-1860-7779-b74a-6ea3369567e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069897
StatusPUBLIC

Content hashes

Canonical text63f9778fec06302ce9f6c8e82e3c924c989e370858acc926b4267876c6bc57f4
Markdown628843f5e880b73482aae5478363164f6f8df576e3cf6797c567c2daa6c18ca9
PDF
Publication pageb0072846cafbe0cc0b07c4e8840a19a166be01d3aaf37e15d9a9ba8397d2f541
Manifest75a0fe0f0b9093196c3969c148483c436b2de70b77ae0cb6c9b92c61086bcb5c

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
SignaturePti0cx1hybNY/HxBq0AFx2rwuA5yxcsmM+r+5l7jYHeCsNOAj2e6SrLWPyGzg5bhbWnB2tv8JidnJVu6EyYEBg==
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

2026-09-17T10:26:43.881956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069897
observed b0072846cafbe0cc0b07c4e8840a19a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:43.862408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069897/manifest.json
observed 75a0fe0f0b9093196c3969c148483c43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:43.844918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069897/publication.md
observed 628843f5e880b73482aae5478363164f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:43.826850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069897/publication.txt
observed 63f9778fec06302ce9f6c8e82e3c924c...
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.