OpenTechnical

OT-2026-000041683

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000041683) never changes.

Identity and time

Publication numberOT-2026-000041683 · never reused
Internal UUID01a0ae79-e8a1-7d6f-a882-9e428bc5b929 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041683
StatusPUBLIC

Content hashes

Canonical text2e949aa545bbcdb2ee789fd156d9f8811fa1abc5e81f481dceb5bcc706067fd0
Markdowneaa5bd4d9125ce3e52bccec69b198482084bca9724acdd229ba5c13862babce1
PDF
Publication page0a65223811f4751b43b26a8b9daf716bb7728a5fa4ad43481a1b889a0dabdd68
Manifest0ba82321504ece6688f539849eec3d3078b7dc32d928cf883caf1ada3a2c26c4

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
Signature90w448+t3lWjPGNtVaeLCV0134ahHjifKYVZuiHYWeRvv4PkNFxXCL0QUyO4LGzIewazstI4g+WIxf+mn8XqBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:16:29.551625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041683
observed 0a65223811f4751b43b26a8b9daf716b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:29.534859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041683/manifest.json
observed 0ba82321504ece6688f539849eec3d30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:29.517489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041683/publication.md
observed eaa5bd4d9125ce3e52bccec69b198482...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:29.500550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041683/publication.txt
observed 2e949aa545bbcdb2ee789fd156d9f881...
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.