OpenTechnical

OT-2026-000049135

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000049135) never changes.

Identity and time

Publication numberOT-2026-000049135 · never reused
Internal UUID01a0ae81-134e-7f0b-8ea9-0770c307f92f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049135
StatusPUBLIC

Content hashes

Canonical text93d34682b334785df54ef1a6115a20595ef7f54d40a308a33f2540170a76a3bd
Markdownaa9688a479c4f399a06d9da3a15a28557885eae736a121d6c40e0db6cf8fb4d1
PDF
Publication pagee24f14ed91af7613801361f8ca5a2645f826d02cb23c8f7a206ef6eb5c003856
Manifest307b23a3195b5398475848f5ef3d65c71acca0b6e85f7aabc9bdefc6eafcf9b9

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
SignatureW+we4GJPhRkTVHSMlW+kEEVm/XZOKehywASxIaCW7oROCYf7txshXFEddBzK1uf2tHt6pAs/+4UGrpAKa/+4Ag==
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

2026-09-17T11:03:24.291813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049135
observed e24f14ed91af7613801361f8ca5a2645...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:24.272047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049135/manifest.json
observed 307b23a3195b5398475848f5ef3d65c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:24.252569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049135/publication.md
observed aa9688a479c4f399a06d9da3a15a2855...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:24.234493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049135/publication.txt
observed 93d34682b334785df54ef1a6115a2059...
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.