OpenTechnical

OT-2026-000072011

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000072011) never changes.

Identity and time

Publication numberOT-2026-000072011 · never reused
Internal UUID01a0ae92-47c0-7524-bf19-7e267d05aed1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072011
StatusPUBLIC

Content hashes

Canonical textf5df876793df043fda3321f33b30aba73b78a8829598f49c5ad70fe19051a9f8
Markdown7d034aee6f3da527b422dc2b8bb7a161625ad6d0f1b952af40596abe244fce00
PDF
Publication page20da3dac8aeb0f4c08de4b9c791dbc4e20faa1830ea7ba5ac17baa3fa8db6ec8
Manifest91f808bb5f71039981a390a617bb8e5750dce6d4735590da606e4e7a07344df8

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
SignatureW5TQD93LdfRD9enXTQcbkKe4nT/2xuYfvEma65GQZHcy32hnb2Sah0mBy+Plf5vhBc+8pjNh8hfd7wyGpnJ3Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:23:04.418312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072011
observed 20da3dac8aeb0f4c08de4b9c791dbc4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:04.401564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072011/manifest.json
observed 91f808bb5f71039981a390a617bb8e57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:04.384163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072011/publication.md
observed 7d034aee6f3da527b422dc2b8bb7a161...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:04.367246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072011/publication.txt
observed f5df876793df043fda3321f33b30aba7...
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.