OpenTechnical

OT-2026-000034927

Publication integrity record

Four cup vacuum gripper, four zone face, pump fed, supply line pressure sensor, 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-2026-000034927) never changes.

Identity and time

Publication numberOT-2026-000034927 · never reused
Internal UUID01a0ae76-1ed3-7196-9f80-68f867dcab4f · 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-2026-000034927
StatusPUBLIC

Content hashes

Canonical text87f95422fab1fd8024e7c6f156ad42bc2e01ce820aeb8acefb1e1992ae8adae9
Markdown2973e1decafa0fd30874c83e9403194ff88ccfb7a524935a5bea6640950a1db1
PDF
Publication pageff4aa4627909018023e97f99f6ec5e99260b09cbd243ce12e9af5b25c9e25db9
Manifest13ec90239d9caf2e3e2cbff2dca82ce13b346ba48809939ce24907e892f3190e

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
Signatureyh1PJAdjx24Rk9ugc9qIDhEkFLeW6WNI5+xBoVl0rdCjZUBkF7v9p8WMEG5KX71qvJ9T5g7nzdHx4x4I5zGTBQ==
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

2026-09-17T11:30:42.859352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034927
observed ff4aa4627909018023e97f99f6ec5e99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:42.832730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034927/manifest.json
observed 13ec90239d9caf2e3e2cbff2dca82ce1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:42.811179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034927/publication.md
observed 2973e1decafa0fd30874c83e9403194f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:42.790862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034927/publication.txt
observed 87f95422fab1fd8024e7c6f156ad42bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:57.719854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034927
observed ff4aa4627909018023e97f99f6ec5e99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:57.701421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034927/manifest.json
observed 13ec90239d9caf2e3e2cbff2dca82ce1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:57.679649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034927/publication.md
observed 2973e1decafa0fd30874c83e9403194f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:57.662214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034927/publication.txt
observed 87f95422fab1fd8024e7c6f156ad42bc...
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.