OpenTechnical

OT-2026-000006733

Publication integrity record

Bellows cup vacuum gripper, two zone face, three stage ejector, pressure verified, plastic cups

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-2026-000006733) never changes.

Identity and time

Publication numberOT-2026-000006733 · never reused
Internal UUID01a0a965-84a7-770d-9343-465812057177 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:46:37.738372Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006733
StatusPUBLIC

Content hashes

Canonical text27520211dbff60d893009a6f06e0bb3352f2ce958c6093ee335651819a1b8382
Markdown39b49b1a150a6324fcbbd4eed15ac3714a4bde2d5f80641f36babeabd869f30c
PDF
Publication pagef6940f14b57e7bdcfd715ad1f7ff91644a84ee3bc616027bd79e69720a3ff458
Manifestf297ff1a6f797112bfd106cd33667b34477b06692db8a7815b7d4c43be7eb29a

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
Signature+j5+l+NSk8k1Y50Dsihkdo2YG14U0vnGBbo19fhR0EhEIQg4ITsqv9CewP407hMhtdWLuwfj7kwYgrjwFiirCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:50:12.233613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006733
observed f6940f14b57e7bdcfd715ad1f7ff9164...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:12.220681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006733/manifest.json
observed f297ff1a6f797112bfd106cd33667b34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:12.208742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006733/publication.md
observed 39b49b1a150a6324fcbbd4eed15ac371...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:12.196147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006733/publication.txt
observed 27520211dbff60d893009a6f06e0bb33...
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.