OpenTechnical

OT-2026-000103786

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, pump fed, pulsed blow-off after set-down, on a tool changer

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-2026-000103786) never changes.

Identity and time

Publication numberOT-2026-000103786 · never reused
Internal UUID01a0aea4-e463-7cfd-b3dd-63d4b4df6f5a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103786
StatusPUBLIC

Content hashes

Canonical textf66cfc550b2cab589b4bd76541fb893bb06daf90924aea8b09a81d682528db4f
Markdown52bce79b2ed08edd0f85ad4bfa9ce2f891777c6a5824eda651189e22bfcf2e84
PDF
Publication page22ff0b8f3609b50b19b4dac1d41e4a8ac0480b65a9602346909f352749fe9309
Manifest7abc343578df5696d126938d98780e8c745de17a0ba5d65fc26c844cae5459a0

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
SignatureeWe181Lllkr9EqnVh5D6t8N6J970h4hkZOkF8m5DG5rze69kGMWgdwgKftWTjQhYFL8IAfV4CaDH5cMxYR00Cw==
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

2026-09-17T09:22:44.346452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103786
observed 22ff0b8f3609b50b19b4dac1d41e4a8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:44.330711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103786/manifest.json
observed 7abc343578df5696d126938d98780e8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:44.314866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103786/publication.md
observed 52bce79b2ed08edd0f85ad4bfa9ce2f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:44.299746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103786/publication.txt
observed f66cfc550b2cab589b4bd76541fb893b...
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.