OpenTechnical

OT-2026-000094989

Publication integrity record

Foam pad vacuum gripper, two zone face, three stage ejector, pressure sensor per zone, sustained 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-2026-000094989) never changes.

Identity and time

Publication numberOT-2026-000094989 · never reused
Internal UUID01a0ae9f-2df0-78f5-9a08-176d845d7188 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:42.715218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000094989
StatusPUBLIC

Content hashes

Canonical texted32957b657c3b084c3ce6f7b9e37e8b67e53fa6d36bd6b3dc259019104a5f0c
Markdownd4ee58e0335a23f67047889eee45296cf1d3cca50a3ed06d8cc0f1d55cf4d6c2
PDF
Publication page79f4a8b993c4eba14a38ac961675ca9cb4319cdb86f7cf9897396d14dcccabc8
Manifestaf5dca901e67e6e69b97222345633833adbf5e326b01c141c121f8ea19240e57

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
Signature69tPx7pvEey9pEPij2hrf2jmH3E/gZ2alk5KumTiXYF6QtqBDTpRfgE53oAveCkiKkwkAT+Q+JHhYGOVOTgiBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:37:32.439960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094989
observed 79f4a8b993c4eba14a38ac961675ca9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:32.422150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094989/manifest.json
observed af5dca901e67e6e69b97222345633833...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:32.401768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094989/publication.md
observed d4ee58e0335a23f67047889eee45296c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:32.382539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094989/publication.txt
observed ed32957b657c3b084c3ce6f7b9e37e8b...
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.