OpenTechnical

OT-2026-000103862

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, plant vacuum fed, 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-2026-000103862) never changes.

Identity and time

Publication numberOT-2026-000103862 · never reused
Internal UUID01a0aea5-15e6-7111-a3c0-7335a4091b9c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103862
StatusPUBLIC

Content hashes

Canonical textd8f9f0c9ac2727ce6d949ca6168d20462170f704e5debbd57a48c014bf3d417b
Markdown0e6d7151c00ea8929389c99ecd6ddfff61cf3a468f91fa0d996aca3dbfdd6435
PDF
Publication page1b92c4bc20f4fca6975d08cb11b77354507a1fd794808a21709893d1caa8db46
Manifestb66ef587444d5e217e8ee93d4579a9a3467d81e5ef44cf2db2bb89cdc0b9dfc3

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
SignaturenoL+VXE3BsnpokzjgfkG96JSAF+o3S3h8JqXLu7glGtiyNhaAwi0d4tu1x449HOJ0d4Ynii9qFo+REOoxZO3Dw==
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

2026-09-17T09:21:50.613749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103862
observed 1b92c4bc20f4fca6975d08cb11b77354...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:50.594789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103862/manifest.json
observed b66ef587444d5e217e8ee93d4579a9a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:50.578833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103862/publication.md
observed 0e6d7151c00ea8929389c99ecd6ddfff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:50.562154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103862/publication.txt
observed d8f9f0c9ac2727ce6d949ca6168d2046...
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.