OpenTechnical

OT-2026-000102140

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, two stage ejector, pulsed blow-off 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-2026-000102140) never changes.

Identity and time

Publication numberOT-2026-000102140 · never reused
Internal UUID01a0aea4-50f2-7e0b-9dd5-d7f949b470e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102140
StatusPUBLIC

Content hashes

Canonical texta8e04281ddeaac904358ec364cb5c9769b0c42ea35a8bdc49df78250e1af7fcc
Markdowna3f83eed4f7a4cda43cc3c535143bd6f6a560735ccc2756a53c7a6ebd6665c38
PDF
Publication paged9659822cadbd98f3bc01d65e3fc036c02346986362d75ecc43ba9a97a844d5a
Manifest6e26c453f35040097a1135eda6e41e07de3d4b6565b0ea9d92ec459b6a65d266

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
SignatureyIO/oAzQORyp4XgCQC4cL+EYFIGsPo7QLvLD0P6MK+W4YWe2EtBVaiVLZRs1BxKQq9l8AtDS83CvxkQLB05EAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:18.276186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102140
observed d9659822cadbd98f3bc01d65e3fc036c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:18.259230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102140/manifest.json
observed 6e26c453f35040097a1135eda6e41e07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:18.241304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102140/publication.md
observed a3f83eed4f7a4cda43cc3c535143bd6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:18.224304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102140/publication.txt
observed a8e04281ddeaac904358ec364cb5c976...
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.