OpenTechnical

OT-2026-000103517

Publication integrity record

Three cup vacuum gripper, three zone face, 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-2026-000103517) never changes.

Identity and time

Publication numberOT-2026-000103517 · never reused
Internal UUID01a0aea4-e461-7a02-b2d5-c9923eeae7c4 · 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-2026-000103517
StatusPUBLIC

Content hashes

Canonical text4523ba971c809a34d99c8160e06b41a751768fcb62f3c9a026d25ec444109dc6
Markdown2fc0ee2f01043d4ba51d164760dfec0f1e2f77e00acbfe7ab05ffb3eec6b8c36
PDF
Publication pagea792152a43c465f76da468d4244ff179b1eeff54fe28e8e10d13ddcf1da81da8
Manifeste8444e2e5f96d06a54812e37c775ed03be1958acf06dab069b17cf83ab302871

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
SignatureERE8x321hqZlZhTXPw8EgSHtXlR/+qKGyCMCkr4nIxA7zrqC7PA3JDCXc6h76klO067gYFfBUTbTjNhL5OA7Aw==
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

2026-09-17T09:22:17.222758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103517
observed a792152a43c465f76da468d4244ff179...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:17.204542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103517/manifest.json
observed e8444e2e5f96d06a54812e37c775ed03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:17.187854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103517/publication.md
observed 2fc0ee2f01043d4ba51d164760dfec0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:17.170379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103517/publication.txt
observed 4523ba971c809a34d99c8160e06b41a7...
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.