OpenTechnical

OT-2026-000078356

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, vented after set-down

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-2026-000078356) never changes.

Identity and time

Publication numberOT-2026-000078356 · never reused
Internal UUID01a0ae95-7c28-7669-aa99-831efd9b34f6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078356
StatusPUBLIC

Content hashes

Canonical textd644e76034623b6eaf2ba7fcb90edb60bfa001cdac60ff34553e59a25d329085
Markdown9d88a1aea2b6685ede07ddb54facc0938d9cb1406079517aa24864f39c53d8fd
PDF
Publication pagef1e88ba34f195c309894e54be1e7d9c63592ec81766dd3456753cdf144b9aba5
Manifestc3949e86163b19e6b29261584462faa74fc5f64469bca235ed587d4d606b4b20

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
SignaturewbLLkf8gv9EJos6jwrm1C0nnctXb60CARMshX2H3CNqLQYO5t1VWFDtqwv5uyiQjreQVEKU7Dv4kTL76omRgDg==
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

2026-09-17T10:06:19.543688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078356
observed f1e88ba34f195c309894e54be1e7d9c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:19.526551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078356/manifest.json
observed c3949e86163b19e6b29261584462faa7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:19.507056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078356/publication.md
observed 9d88a1aea2b6685ede07ddb54facc093...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:19.489808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078356/publication.txt
observed d644e76034623b6eaf2ba7fcb90edb60...
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.