OpenTechnical

OT-2026-000103544

Publication integrity record

Three bellows cup vacuum gripper, three zone face, 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-2026-000103544) never changes.

Identity and time

Publication numberOT-2026-000103544 · never reused
Internal UUID01a0aea4-e461-7d46-abce-f2825dd5bc0c · 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-2026-000103544
StatusPUBLIC

Content hashes

Canonical textb5f2845c57b14a38696c9d8093159192b1e342cef143de36d02ff3965e30b5d5
Markdown5130ba34a477267684cf75ebc62a0bfd8f4220d7cd541084cc88200942921319
PDF
Publication paged88b8c7230352b3216606a156ce0ad089332334a832532a2044803ee8ca8623a
Manifest46035875ce6d13e63d850751bea8ac81520fe68c6995312899ba2a1749424143

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
SignatureShLGVrOi+M+N9P1D2KPmwNkrnF2trRgvFd4Xy0oEsE+E4ss7ucvva1g1Y8XkgyyLB5wQW/5njyvtULiFAQ3xCg==
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

2026-09-17T09:22:19.247785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103544
observed d88b8c7230352b3216606a156ce0ad08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:19.228724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103544/manifest.json
observed 46035875ce6d13e63d850751bea8ac81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:19.208341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103544/publication.md
observed 5130ba34a477267684cf75ebc62a0bfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:19.191103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103544/publication.txt
observed b5f2845c57b14a38696c9d8093159192...
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.