OpenTechnical

OT-2026-000049596

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, supply line pressure sensor, 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-2026-000049596) never changes.

Identity and time

Publication numberOT-2026-000049596 · never reused
Internal UUID01a0ae81-8f7d-72ce-9f15-ebc9f7dff8fc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049596
StatusPUBLIC

Content hashes

Canonical text4326b3a67c438ba7e783fb7b82f6ad007994e9f3f7de96da5d8822909b88f419
Markdown42a8337e82ff69da0ce10c613759887de8f746ff67186bdfc11dd2c9b18b0f5e
PDF
Publication page577977d2c512f9903d86516ac633aa8ab4e9982e4b02c16122cdc10f3a0143b0
Manifest4f65e0f4c92d971e1489e7abd99c9a788223aeb8eda2711a0f0e632edc27ef4e

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
Signature719KtRK5kjAmgW5mWHYNLjZZBpTqGrqbLGkofu9eJ2ISGCPnTBHWLpILuzJyjiIyYYlYfkSnSnKR117N4bn6Cw==
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

2026-09-17T11:02:34.530306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049596
observed 577977d2c512f9903d86516ac633aa8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:34.512795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049596/manifest.json
observed 4f65e0f4c92d971e1489e7abd99c9a78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:34.495497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049596/publication.md
observed 42a8337e82ff69da0ce10c613759887d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:34.476958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049596/publication.txt
observed 4326b3a67c438ba7e783fb7b82f6ad00...
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.