OpenTechnical

OT-2026-000044540

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000044540) never changes.

Identity and time

Publication numberOT-2026-000044540 · never reused
Internal UUID01a0ae7c-39d8-73e3-85aa-33fddcdd3e69 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044540
StatusPUBLIC

Content hashes

Canonical textc5eebab64d20f969daf2dd0774fbef47ddac1fca8036d3365b77b745fb7cf8ed
Markdownea230ff1db42223c6c1363e10dd2fa05e166f29965af29e6cdce34922e70cd4e
PDF
Publication page634beaee0170369f25cd4862549ab7ec7cc958576619de158bbf61229d3dcc2b
Manifest56809b2d205e32322660c977a72591d7352481c77beb8774fe1b0d12265b0d16

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
SignaturewqSg8IpRpmcVlyxqLn91f6oUDH/Bs/WGZ8dUyGriaDxZEpG4pR29VMLCLA/DYMA8uTDwzvQpj2Qo50cAIEzlAQ==
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

2026-09-17T11:11:43.484563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044540
observed 634beaee0170369f25cd4862549ab7ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:43.467573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044540/manifest.json
observed 56809b2d205e32322660c977a72591d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:43.450018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044540/publication.md
observed ea230ff1db42223c6c1363e10dd2fa05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:43.430450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044540/publication.txt
observed c5eebab64d20f969daf2dd0774fbef47...
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.