OpenTechnical

OT-2026-000011704

Publication integrity record

Single bellows cup vacuum gripper, three 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-2026-000011704) never changes.

Identity and time

Publication numberOT-2026-000011704 · never reused
Internal UUID01a0ae6d-1940-7d96-9787-39ae88fd0dda · 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-2026-000011704
StatusPUBLIC

Content hashes

Canonical text0c1932e8f5d0d0c702ca4a5c09f178718647c983001af592e8a219368debd305
Markdownd3f24bbe0e19f7ff1c141f373746e1c31148b4c78bbd39b39f6a12e3e68e1afd
PDF
Publication page6e740a024bc75fb5f926789b160fa29d64ec834d9f620207b490bc3351695ccc
Manifestf3e2efcd1a58972adeab81cdb2aee3a815be5110bc7e807c5b3075fcad22cefc

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
SignatureogkOASrQlnXLSl83HO2vgydE0Y85WzI/ILNqRG+4VvUPbd5jl1MxGW9TTwbzC0YhhgpCzuVtzNcm6+F4NEkmCA==
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

2026-09-17T12:12:18.731948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011704
observed 6e740a024bc75fb5f926789b160fa29d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:18.711002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011704/manifest.json
observed f3e2efcd1a58972adeab81cdb2aee3a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:18.693716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011704/publication.md
observed d3f24bbe0e19f7ff1c141f373746e1c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:18.674224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011704/publication.txt
observed 0c1932e8f5d0d0c702ca4a5c09f17871...
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.