OpenTechnical

OT-2026-000048224

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000048224) never changes.

Identity and time

Publication numberOT-2026-000048224 · never reused
Internal UUID01a0ae80-4de2-79e7-9c2a-3b523f0529e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048224
StatusPUBLIC

Content hashes

Canonical text2ff947a7b43e4182513de837410e5d5a581ded8c7de39c1b5adfff909ec99861
Markdownf978e9e2131cd9b77777cca0a6252b02680e1d76d3b4f67ebd33b7ff3c1d1b33
PDF
Publication pagebf710253a021f88dd40fb5ec482c02f579dc0414df93e4209e379de9b0daab70
Manifestd324eb8f225559555ad0ed18748aac10dc596b0f2719c81bdf4d0eb69cb9a4c2

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
Signature3F0meyALDLq324XtWTCMgSJhHIi27gqaY0Oka6E/cass4ti34OrANbVE4pZ4mVowKjUrWT3CCv3Fm9DmT9JXBg==
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

2026-09-17T11:04:46.768883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048224
observed bf710253a021f88dd40fb5ec482c02f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:46.751331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048224/manifest.json
observed d324eb8f225559555ad0ed18748aac10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:46.732706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048224/publication.md
observed f978e9e2131cd9b77777cca0a6252b02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:46.713523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048224/publication.txt
observed 2ff947a7b43e4182513de837410e5d5a...
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.