OpenTechnical

OT-2026-000095034

Publication integrity record

Two cup vacuum gripper, two zone face, pump fed, pressure sensor per zone, 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-2026-000095034) never changes.

Identity and time

Publication numberOT-2026-000095034 · never reused
Internal UUID01a0ae9f-2df0-7cd5-8145-049827e32b2b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:42.715218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095034
StatusPUBLIC

Content hashes

Canonical text2bcf557fe27a607a592e5879771a8257db83c2b82cc9ac386e63cdefd96c5990
Markdownba5bac1e4607a97a78eb419437c1991d779f6101085191c702b548b0390e0153
PDF
Publication page9a601fb4bd6ef2913dc2ff187db382cdf0aa7761c60d3822368d3ae9322e993d
Manifest737fb232765878df678b25560ff108e05acb41c8b96e13d976a59d4ed82f4152

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
SignatureoLB3DS/mG52hEwAF2g0mehcgZsRqEa7FN9P+zZm9zIEuxqxW20IZHiuItCq8ELscdWN/cmvTvVcGSKoIEVEZCg==
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

2026-09-17T09:37:35.853337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095034
observed 9a601fb4bd6ef2913dc2ff187db382cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:35.834231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095034/manifest.json
observed 737fb232765878df678b25560ff108e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:35.816468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095034/publication.md
observed ba5bac1e4607a97a78eb419437c1991d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:35.799511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095034/publication.txt
observed 2bcf557fe27a607a592e5879771a8257...
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.