OpenTechnical

OT-2026-000103391

Publication integrity record

Two cup vacuum gripper, two zone face, single stage ejector, 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-2026-000103391) never changes.

Identity and time

Publication numberOT-2026-000103391 · never reused
Internal UUID01a0aea4-e460-7e65-a7a1-7ef5b5911f31 · 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-2026-000103391
StatusPUBLIC

Content hashes

Canonical text3e640e5b843352262ee50626b19880c1a612a97a4055b3948bd5d4dd23c09996
Markdown2abc124db9770a35812f4d47f3b03cd6bd0f2e60532d329d1846b1b822c30942
PDF
Publication page9decdb8dec8e502979f9703301e514b34598eda797fd914df11662904b8a0858
Manifest8fe8ef79b7b7c448466f541b30169b72b38dc89c9687b76339d6e90aa18c7e52

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
Signature8bqzw8PJQVdu5p7pQQOdgUcPNqZxCTpAlVi5nV7oo40JTuyYqWNQRDYsez1gPgVwkW3QAa+c1X1h0XkhvoqHCw==
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

2026-09-17T09:22:07.991438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103391
observed 9decdb8dec8e502979f9703301e514b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:07.973197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103391/manifest.json
observed 8fe8ef79b7b7c448466f541b30169b72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:07.955520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103391/publication.md
observed 2abc124db9770a35812f4d47f3b03cd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:07.937732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103391/publication.txt
observed 3e640e5b843352262ee50626b19880c1...
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.