OpenTechnical

OT-2026-000056611

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, single stage ejector, 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-2026-000056611) never changes.

Identity and time

Publication numberOT-2026-000056611 · never reused
Internal UUID01a0ae87-7af5-79a0-814d-5659f7807827 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056611
StatusPUBLIC

Content hashes

Canonical textd2efedbd5058f9de0fa941291bfd3331a3da1925e0208513f8ca9a81bd241d60
Markdown8530818dc4bb9a6134ce80ca1fed607a42a0eb915d20e011f63a57426c80415e
PDF
Publication pageeddacd2d26fd0d9a0d593e391e30a95950d175efd8d06f5168d5e3fe2be34279
Manifest003ce07110c54f6b3fa201c6fdf1ec0b3d38ee1efc84948fb9960749aef055fa

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
SignatureczfNWe9aAoDmFbFUpHoVaEETC3fYxXdj8tn3+h2vH72vbYMtp8kqj54+4R88kON/0tF9v4G7vhJfWn4HAnSKCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:49:57.784524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056611
observed eddacd2d26fd0d9a0d593e391e30a959...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:57.767167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056611/manifest.json
observed 003ce07110c54f6b3fa201c6fdf1ec0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:57.749115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056611/publication.md
observed 8530818dc4bb9a6134ce80ca1fed607a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:57.730194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056611/publication.txt
observed d2efedbd5058f9de0fa941291bfd3331...
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.