OpenTechnical

OT-2026-000005759

Publication integrity record

Porous face vacuum gripper, three stage ejector, contact triggered, vented after set down, open cell

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-2026-000005759) never changes.

Identity and time

Publication numberOT-2026-000005759 · never reused
Internal UUID01a0a943-db47-7f43-89f6-6a662c1e20e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:09:51.690684Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005759
StatusPUBLIC

Content hashes

Canonical text32603304478aed6266972e00308134837e6e3d331c08b6de2e816cef3a0f4064
Markdownbb75516685121fefb943b9f0f021596c373445515e916ea29086040d5e4ac9fe
PDF
Publication page553ceb17bf7abdf68c5b81fe93e4670ecb9a9e2bd4b04a461a2db887041e5edc
Manifest09715696b0a289de15b32b074d2856c817609caa8d0b67934dd27db5700614cc

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
SignaturerENOutSOm9HQqBl8H2lvXOEylYK+KI0nhrnpWvsfB3MC1J5gB99aVdk00D0Px8yy3/OmG/CsKE5c0W7RhGp4AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:10:03.185998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005759
observed 553ceb17bf7abdf68c5b81fe93e4670e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:03.173179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005759/manifest.json
observed 09715696b0a289de15b32b074d2856c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:03.160318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005759/publication.md
observed bb75516685121fefb943b9f0f021596c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:03.147611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005759/publication.txt
observed 32603304478aed6266972e0030813483...
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.