OpenTechnical

OT-2026-000011648

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single stage ejector, 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-2026-000011648) never changes.

Identity and time

Publication numberOT-2026-000011648 · never reused
Internal UUID01a0ae6d-1940-7e23-a0c6-f681b6c37eed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011648
StatusPUBLIC

Content hashes

Canonical text17872d6c5ce5dd7d9609c43b3992abdd16070848db5203d6ac0163fa49cd6891
Markdowncf05a8c009db8fcab057878cd6011580b518ee16ffe36fb25a12a994be44ebed
PDF
Publication page27f9702d6a1982e7140722fa3c01549dabd24fd92234327db3167e2d8dc02c11
Manifestc4a97b9ce2e12f2030960c7d8e77b089b5a8939b079b0a848395c83c294cf6c7

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
Signatures2FYVoBwKt7x587xRFEtKsA3SVjDeJbP9/qQEbXSNwklY6SH4davACFc+QGexhvtf4KG+XhM0eIQLPQqmzJXCA==
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

2026-09-17T12:12:14.125105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011648
observed 27f9702d6a1982e7140722fa3c01549d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:14.103559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011648/manifest.json
observed c4a97b9ce2e12f2030960c7d8e77b089...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:14.082771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011648/publication.md
observed cf05a8c009db8fcab057878cd6011580...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:14.061851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011648/publication.txt
observed 17872d6c5ce5dd7d9609c43b3992abdd...
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.