OpenTechnical

OT-2026-000041640

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three 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-2026-000041640) never changes.

Identity and time

Publication numberOT-2026-000041640 · never reused
Internal UUID01a0ae79-e8a0-7376-aab2-84ac7bc8e74a · 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-2026-000041640
StatusPUBLIC

Content hashes

Canonical textac60f35a6f2d45bc0a5e8f1814b74bad881332df7d37436dceb9307596f678fe
Markdown7fac151dffd78da5731f1271aa41f808b850903486301fccd5f25d0351cfb9f8
PDF
Publication pagea0a0f6fe674b24cedffcedbe57e1c5fc8b59c93ace81d78ad2b7c05fa131538f
Manifest409ead7f5890337553b6c99c8afb93d38539cac1e9784a80a467e674c30db940

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
SignatureS0r0WrggcVDl0cj3wIEqI1dXBgL98KRNBgx0pHbwAmYCmnUzJ1rwCTQbyU3aG88iQfYxXBB9xNzihpq2SU5VBA==
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

2026-09-17T11:16:26.457585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041640
observed a0a0f6fe674b24cedffcedbe57e1c5fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:26.439155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041640/manifest.json
observed 409ead7f5890337553b6c99c8afb93d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:26.421273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041640/publication.md
observed 7fac151dffd78da5731f1271aa41f808...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:26.403497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041640/publication.txt
observed ac60f35a6f2d45bc0a5e8f1814b74bad...
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.