OpenTechnical

OT-2026-000033447

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, 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-2026-000033447) never changes.

Identity and time

Publication numberOT-2026-000033447 · never reused
Internal UUID01a0ae75-a38d-71a0-8a1d-156b9385e1e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033447
StatusPUBLIC

Content hashes

Canonical text8e3c37ca61129fefbff23c55b10f0e2e13753573b83ae1b9c517b5468626f216
Markdown299325280c369fe9aba8d6bf4a1db1dee07ccb284a511bcf1005f612b871c9aa
PDF
Publication pagea940907d2d981f5e3dc3e98c3c524285479558a0fdad7d57bfaf15ad4b7d6df4
Manifest36409b1c14695622800bd0efec272dae3fe4027297acde891da7ee617139b431

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
SignatureiL3i5lvoVAVCXz1ynDRy+L2jtRpTDuzNY1gAN9tz/VP6VfqJ41ySZU/geCODaFr1GtlreDhis4Ag1L/U0cDcBQ==
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

2026-09-17T11:31:16.832998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033447
observed a940907d2d981f5e3dc3e98c3c524285...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:16.815173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033447/manifest.json
observed 36409b1c14695622800bd0efec272dae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:16.793745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033447/publication.md
observed 299325280c369fe9aba8d6bf4a1db1de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:16.776422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033447/publication.txt
observed 8e3c37ca61129fefbff23c55b10f0e2e...
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.