OpenTechnical

OT-2026-000103576

Publication integrity record

Three cup vacuum gripper, three zone face, pump fed, 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-2026-000103576) never changes.

Identity and time

Publication numberOT-2026-000103576 · never reused
Internal UUID01a0aea4-e461-73bd-b7b1-74885746949e · 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-2026-000103576
StatusPUBLIC

Content hashes

Canonical text032e1948183cb0537d5b5f126a7296a75360fd93705bfcb1a0df25e1d552e528
Markdownb3e6db405526c7f250db62a6432b3cf9ee8644a0c02b5c5fc5f87ff4023628c1
PDF
Publication page64d465375ff81ffbf5a596c2c5e4d0804567f2bb8653be99c478e2859938211e
Manifest77d724384c9004510b67956c8cd742821c85d6a564ccd41b97a09d961e376321

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
SignaturepivBRolLC/Lw7YRdZzjyJC9+GGiFnfUu1a2TPH3LkEqTQcle7eMRZedd91BqCl7KH/hyFASiillJaM+qkyskCw==
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

2026-09-17T09:22:21.631431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103576
observed 64d465375ff81ffbf5a596c2c5e4d080...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:21.615371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103576/manifest.json
observed 77d724384c9004510b67956c8cd74282...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:21.597102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103576/publication.md
observed b3e6db405526c7f250db62a6432b3cf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:21.579123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103576/publication.txt
observed 032e1948183cb0537d5b5f126a7296a7...
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.