OpenTechnical

OT-2026-000005103

Publication integrity record

Bellows cup vacuum gripper, two zone face, common isolation valve, ejector fed, pressure verified

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-2026-000005103) never changes.

Identity and time

Publication numberOT-2026-000005103 · never reused
Internal UUID01a0a92d-f2fc-7957-b15f-0d14c8a3d856 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:45:55.967227Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005103
StatusPUBLIC

Content hashes

Canonical textf3d124de3065c141bb68464a5db9533d639b74a6e43f9a1674348afe408e7e14
Markdown169c15f349e799133140fdcfa7d7fc5c8d72111f241948b9c172cbb5cbede719
PDF
Publication page3bbaaf571ad220494708446f5b91115725fcba9dab3bc13986d214bc75143425
Manifest91842731c956a4ca84ea44c1bed541d129f8c478add57ed4aaff47746062e85f

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
SignaturenOLaeWPTIhQNsgNlWSsLYQ0rFw1lfREeOLX2rECh2hHECvsn3q63LTUr2BnWMW0JgjPNWj1pGqIgE9D0z0CIBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:50:15.182668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005103
observed 3bbaaf571ad220494708446f5b911157...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:15.169467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005103/manifest.json
observed 91842731c956a4ca84ea44c1bed541d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:15.155702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005103/publication.md
observed 169c15f349e799133140fdcfa7d7fc5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:15.143103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005103/publication.txt
observed f3d124de3065c141bb68464a5db9533d...
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.