OpenTechnical

OT-2026-000086144

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, plant vacuum fed, sustained 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-2026-000086144) never changes.

Identity and time

Publication numberOT-2026-000086144 · never reused
Internal UUID01a0ae99-e82c-7b1c-9c7d-281c81a8296b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086144
StatusPUBLIC

Content hashes

Canonical texta4b0582a69620a3d859056534efc195d72e3b92c9a7589d65998da757a27248a
Markdown02fc39b302a8a230d99cf8c9d2f483ac1031b2100a28ff1737be30845c9ce323
PDF
Publication pageb3cc3fe64bb64d2af033f4090806b22c971aea993fa903c7efddec27f1be2049
Manifestfc0e7e9fa6643c00e63428eac53a959fccaecf6baccdd0f717e2bafbe3803b7a

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
SignaturezvgsC3EvReE5PpxHUsNmwcijDtPWXGmxGKIGtF8zfD6WpUb5QrFhPnE+0lLGR/z72S5jhDMsBzvuDh7LzOsoBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:53:48.638698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086144
observed b3cc3fe64bb64d2af033f4090806b22c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:48.620730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086144/manifest.json
observed fc0e7e9fa6643c00e63428eac53a959f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:48.601976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086144/publication.md
observed 02fc39b302a8a230d99cf8c9d2f483ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:48.584270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086144/publication.txt
observed a4b0582a69620a3d859056534efc195d...
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.