OpenTechnical

OT-2026-000099198

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, manifold 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-2026-000099198) never changes.

Identity and time

Publication numberOT-2026-000099198 · never reused
Internal UUID01a0aea2-8288-74e6-bff7-dbc06a141350 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099198
StatusPUBLIC

Content hashes

Canonical text6952a798f588c8d0c75426a53f8b82f6ee6979ae2576e4becad3e5fc46776480
Markdown240142af0e022decd452d33c817e9f25cb60da48f5a3492d3d4b21d4c3359098
PDF
Publication page381075903052456a81e52adfbc84b9b50d38b85a5faf6c144ac196f66da8ec58
Manifestb0a6156326e5e98f841d82cd18a8c02c331a533608077d333604f80f4f048b3c

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
SignatureNnUcKE+69iCWvcHxi3ssn9rqDiOLxmes+36ZQ7wmcxTmzKPwh8bcNZY0OF5x63xuZiUQmoKTi/j+QbI/c6E8DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:35.295064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099198
observed 381075903052456a81e52adfbc84b9b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:35.277681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099198/manifest.json
observed b0a6156326e5e98f841d82cd18a8c02c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:35.259180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099198/publication.md
observed 240142af0e022decd452d33c817e9f25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:35.242600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099198/publication.txt
observed 6952a798f588c8d0c75426a53f8b82f6...
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.