OpenTechnical

OT-2026-000005708

Publication integrity record

Vacuum cup gripper, three zone face, ejector fed, pressure verified, rubber cups, flat form

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-2026-000005708) never changes.

Identity and time

Publication numberOT-2026-000005708 · never reused
Internal UUID01a0a942-28a6-7f9c-aa3c-a42f7c21a778 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:08:00.424894Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005708
StatusPUBLIC

Content hashes

Canonical text167f3843d57aa1ebbed5b5125fa3f1b4c9ed35f0f6de048cf6d362e3f4c1d531
Markdowne4380d13c0e4ff63796838b49e309a652f5cc855246daaf6593d1bce4ff543ef
PDF
Publication paged45cfc9c5b21e31607a9ace42422d626d917d393434ca5e1eb8e9eccfe862757
Manifest0787d34f9c5d7437947fd3a6d73893cefa5b779d1386d09c708403e1b40211b3

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
SignaturewXYgEtAxVd4151E4KQZiPfMicTyrGd3GAnFrJsk0p6kajJpWkN+1bgHhuSe5JHmqnx6CSb4gkJzKScV4dLEUCA==
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

2026-09-16T08:10:09.181349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005708
observed d45cfc9c5b21e31607a9ace42422d626...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:09.167325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005708/manifest.json
observed 0787d34f9c5d7437947fd3a6d73893ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:09.152705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005708/publication.md
observed e4380d13c0e4ff63796838b49e309a65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:09.135775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005708/publication.txt
observed 167f3843d57aa1ebbed5b5125fa3f1b4...
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.