OpenTechnical

OT-2026-000045903

Publication integrity record

Foam pad vacuum gripper, four zone face, two 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-2026-000045903) never changes.

Identity and time

Publication numberOT-2026-000045903 · never reused
Internal UUID01a0ae7d-8f06-7051-b173-b250d0113d7c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045903
StatusPUBLIC

Content hashes

Canonical text689750ef8359fa085bc2c7778cd7d664de250934b116e205d9bd3801fe928e20
Markdownb89e28038558f682c88ef0afb985b16c6add1a8ccca25d1717664bf4191f8777
PDF
Publication page6c46431be5c2502213de437c9a21dfe7e5abd9360964bcbdcd02a5684f65e4ee
Manifestcc675a75b9a62bcd82c019d11021c9e37a21ce57fe727ef227721caf2129df6a

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
SignatureNVHjo8QDDr2j1aAjcCBR3DEvHi1MDaQ71SOXmTXFjT6wYNv4A6131u1AbwxUh8MVBazCa2p0+ZSBtlt70JCqDQ==
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

2026-09-17T11:09:48.094169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045903
observed 6c46431be5c2502213de437c9a21dfe7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:48.075872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045903/manifest.json
observed cc675a75b9a62bcd82c019d11021c9e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:48.057051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045903/publication.md
observed b89e28038558f682c88ef0afb985b16c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:48.037822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045903/publication.txt
observed 689750ef8359fa085bc2c7778cd7d664...
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.