OpenTechnical

OT-2026-000034804

Publication integrity record

Single bellows cup vacuum gripper, pump fed, supply line pressure sensor, sustained 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-2026-000034804) never changes.

Identity and time

Publication numberOT-2026-000034804 · never reused
Internal UUID01a0ae76-1ed3-7073-9dbd-afe1d5054ef7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034804
StatusPUBLIC

Content hashes

Canonical text9db1bd45f497f2ab12c39ad4a4cd895b791c6a657ef4542edc0907e01e236576
Markdown689695bf39975d3c8102d79a38ab415ed616d3e1b44797cf2deb4c6afb07276b
PDF
Publication pagea053e687e1841e651dd2764cb4c1386d83915fd384abcf558242823e5fe61705
Manifest9792d0d008cd91c4ea6730b4158c8cfa65ae34ab060962669d609c460230fa98

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
SignatureLHPz970JBEe0NEn6IvLSGcoNxjNrzQZVTVFjMVO3juqX1kX5RsL7d29k2QVoWjQ5dURah6H4gBIKLwTlzNbRBw==
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

2026-09-17T11:30:18.727102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034804
observed a053e687e1841e651dd2764cb4c1386d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:18.705146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034804/manifest.json
observed 9792d0d008cd91c4ea6730b4158c8cfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:18.683400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034804/publication.md
observed 689695bf39975d3c8102d79a38ab415e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:18.659167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034804/publication.txt
observed 9db1bd45f497f2ab12c39ad4a4cd895b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:47.094137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034804
observed a053e687e1841e651dd2764cb4c1386d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:47.075500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034804/manifest.json
observed 9792d0d008cd91c4ea6730b4158c8cfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:47.057741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034804/publication.md
observed 689695bf39975d3c8102d79a38ab415e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:47.041393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034804/publication.txt
observed 9db1bd45f497f2ab12c39ad4a4cd895b...
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.