OpenTechnical

OT-2026-000005637

Publication integrity record

Vacuum cup gripper, two zone face, ejector fed, contact triggered, 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-2026-000005637) never changes.

Identity and time

Publication numberOT-2026-000005637 · never reused
Internal UUID01a0a93f-ce1c-7872-8c6b-fac33e64f05a · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:05:26.175482Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005637
StatusPUBLIC

Content hashes

Canonical text239210e8f6181cae331f3d89e230f9b762796fedae0d381b0178f0a4a8fd06fa
Markdownf7c882e5588d01c2c3a6607deb20d6e680528d774ae8550645142b30b17d4a37
PDF
Publication pagece05bf65152461791338b66fdf0f7634294b7b2b9322ff0534e04e8fdff0bbe7
Manifest1a1258671a78c70baa3eb207325a74f17fe0c16528b25d64139ae628226db056

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
SignaturefoqGAjW9Vgq+IhwI5wsOJMwPVcygSgb4JfpeUQ333mfqhhd9RRejvtNhYdZk6SKQQWABOB4Fw6HbA07uX+sAAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:10:17.910293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005637
observed ce05bf65152461791338b66fdf0f7634...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:17.887636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005637/manifest.json
observed 1a1258671a78c70baa3eb207325a74f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:17.872901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005637/publication.md
observed f7c882e5588d01c2c3a6607deb20d6e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:17.737779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005637/publication.txt
observed 239210e8f6181cae331f3d89e230f9b7...
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.