OpenTechnical

OT-2026-000101749

Publication integrity record

Four bellows cup vacuum gripper, four zone face, 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-2026-000101749) never changes.

Identity and time

Publication numberOT-2026-000101749 · never reused
Internal UUID01a0aea4-0e17-7664-bd39-f5b948ef9f25 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101749
StatusPUBLIC

Content hashes

Canonical textb69be399393e35728046e32d89bc920040e40f0dce4702ff22c4de98667be474
Markdownebd80148cae00dc12716e6f3c55e4ed7e3f6971a8f56091002b2fb99f90120f9
PDF
Publication pagea4d34b22ee852fb0253cad9c9cc51983b53a83636554229533f8c94de8c2bda1
Manifest1b0b0a2ce26153c34d982287bcf9788a266a497d9ee2b8e2250b59ccbfdb7f09

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
SignatureK9vwete/XamT065eU4de6DUlbxQlljlP4oEykeLZ0D1Ss8iDhQ8DLzT1QTTaBR2k9RIwxl7erQYmfv0djvIlCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:14.524316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101749
observed a4d34b22ee852fb0253cad9c9cc51983...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:14.505285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101749/manifest.json
observed 1b0b0a2ce26153c34d982287bcf9788a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:14.488005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101749/publication.md
observed ebd80148cae00dc12716e6f3c55e4ed7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:14.468556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101749/publication.txt
observed b69be399393e35728046e32d89bc9200...
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.