OpenTechnical

OT-2026-000005673

Publication integrity record

Vacuum cup gripper, common isolation valve, four outlet manifold, three stage ejector, contact triggered

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-2026-000005673) never changes.

Identity and time

Publication numberOT-2026-000005673 · never reused
Internal UUID01a0a940-f72b-7c7d-9851-ca4101a9cf77 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:06:42.222812Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005673
StatusPUBLIC

Content hashes

Canonical text1ec1a6942337a9cb98a9e3f693746220eb75241f16c96629d41696822ba9cf19
Markdown566ae072dcc4a448c76eb8dd562159a86fb50abf5e21dd905b459c4bb32ee127
PDF
Publication page7fae8e7536626b3a0a9cbd17894687e54a8b97989bda2978345c922bf6726762
Manifest11bf03c657c242a2908ecff3a1bc7b1c00bcf05a7dda33a4d257a4683380f6c5

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
SignatureiWvkd2WjsQJKKg4bdGi5wnjBn+z4fktyEQIcf/GyHxUOdQrgSiNxFZijl7uuXPI//zENQLjD335Oxu+fxFlwCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:10:13.453402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005673
observed 7fae8e7536626b3a0a9cbd17894687e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:13.439172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005673/manifest.json
observed 11bf03c657c242a2908ecff3a1bc7b1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:13.423253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005673/publication.md
observed 566ae072dcc4a448c76eb8dd562159a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:13.408065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005673/publication.txt
observed 1ec1a6942337a9cb98a9e3f693746220...
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.