OpenTechnical

OT-2026-000045583

Publication integrity record

Foam pad vacuum gripper, three zone face, three stage ejector, pressure sensor per zone, 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-2026-000045583) never changes.

Identity and time

Publication numberOT-2026-000045583 · never reused
Internal UUID01a0ae7d-8f02-74ea-ab32-25456a760434 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045583
StatusPUBLIC

Content hashes

Canonical text41a56da45e5a8bcd91a49063efbab838a9c1f84a949037e6810435414cba2f0c
Markdown0a1dfdd6c6eb1173ec90ecbe829eac479505012cf2a29b3be5ee577bc4511458
PDF
Publication page7c3b6c815809402ada4fd10e3b4faf5fd854d5ced22477e39ba020cd9c5fe63f
Manifest0356e922a7958ab9f0909d8949691442f70365b1d9c8ef3fc151ef1aca025578

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
Signature1wfvk5q6v62vzu3ZttliTuGJeOlcY7RuDK3r37Uy5JZUxsaNKWYEgdufxh2DH+ZlMP1uDKlOD0cIwbYx+w0oAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:09:20.923628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045583
observed 7c3b6c815809402ada4fd10e3b4faf5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:20.903884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045583/manifest.json
observed 0356e922a7958ab9f0909d8949691442...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:20.883341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045583/publication.md
observed 0a1dfdd6c6eb1173ec90ecbe829eac47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:20.862895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045583/publication.txt
observed 41a56da45e5a8bcd91a49063efbab838...
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.