OpenTechnical

OT-2026-000041044

Publication integrity record

Single bellows cup vacuum gripper, 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-2026-000041044) never changes.

Identity and time

Publication numberOT-2026-000041044 · never reused
Internal UUID01a0ae79-b10e-7697-b19a-de1ce31f4283 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041044
StatusPUBLIC

Content hashes

Canonical text9c8c3c8efb501a3edd2d26e3361df9ce2cd1a8e65fd1ced1edf318546aa6cd22
Markdown17bd747d034a3db3bcf801058d9e87a0f571345cbdd07edc3b5762eb6430c9d3
PDF
Publication page71e0db39be28ff8d999799e4efdc826f1ad8bca9d967045ccc6784aabef9d92d
Manifestff17cfb2c38feb9c9b987559bb7ec1b8fea84aba19a107216728fd62bf3851e6

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
SignaturejVoZkqyvqWPpFO78LpVbPeyf+R/ZYHVKmNvIqNcL5ZaFt+799rnePS/+AZhq3nhm3f0bHqNAFAv5o+l/9sLpCw==
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

2026-09-17T11:16:57.300330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041044
observed 71e0db39be28ff8d999799e4efdc826f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:57.284261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041044/manifest.json
observed ff17cfb2c38feb9c9b987559bb7ec1b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:57.268670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041044/publication.md
observed 17bd747d034a3db3bcf801058d9e87a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:57.252815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041044/publication.txt
observed 9c8c3c8efb501a3edd2d26e3361df9ce...
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.