OpenTechnical

OT-2026-000086193

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, two stage ejector, sustained blow-off before 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-2026-000086193) never changes.

Identity and time

Publication numberOT-2026-000086193 · never reused
Internal UUID01a0ae99-e82c-7dff-b61e-18934ee6fe5b · 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-2026-000086193
StatusPUBLIC

Content hashes

Canonical text2c130f11476f27f225f7c31a8aae7f2518d2ebe760599bae700f11c84e0aa04a
Markdown7dba06e7766eeb99b471e2df4b59eea244c66626567f262126714d10b8525894
PDF
Publication page828ab5a615c21f3ca93512ebc302ebf2a1e1d09199f2086308a5b3d3e2043315
Manifest8bc03421fb0d04aaec40509fa1a6ef91db976cbb7e234762f5a8488648febb86

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
SignatureA6ahGf7XJf7SAr1VtgPZW4O2f6f2FzFBeaRBRSbJIgWWdnGk3mO4o2i7nDwgg08DErvXOUfj25MpKpFRe2QpAg==
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

2026-09-17T09:53:52.338560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086193
observed 828ab5a615c21f3ca93512ebc302ebf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:52.321191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086193/manifest.json
observed 8bc03421fb0d04aaec40509fa1a6ef91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:52.303454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086193/publication.md
observed 7dba06e7766eeb99b471e2df4b59eea2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:52.285612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086193/publication.txt
observed 2c130f11476f27f225f7c31a8aae7f25...
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.