OpenTechnical

OT-2026-000091513

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000091513) never changes.

Identity and time

Publication numberOT-2026-000091513 · never reused
Internal UUID01a0ae9c-f16d-7c9e-83aa-cb7e8fe5a074 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091513
StatusPUBLIC

Content hashes

Canonical text8ebbdadbdc8921b7ddcc3812afbbbaf26eff3c895d1e51d1396e3daea7b5ec96
Markdown4563c4a5cef81afc0ec0ebe3d986a9b86b39e62358e7324a0558f23434949336
PDF
Publication page96f740c63884c137f8831eaa097e5d334700b01fe6772391ceec3a6ef91b1798
Manifesta3b7f4596eb789c25604c01be7d737b24fb57a77e7ba7604a7fc2e05494b8a0c

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
Signatureivxu/EZuncprdXu+neiSfbUn8hLB+PTUfxSFfNBoVuniFdXVJiv6bAlhoQeSYVOV3N+b3PDFcx9GTy3aP8ORDQ==
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

2026-09-17T09:43:46.687470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091513
observed 96f740c63884c137f8831eaa097e5d33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:46.670002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091513/manifest.json
observed a3b7f4596eb789c25604c01be7d737b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:46.654464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091513/publication.md
observed 4563c4a5cef81afc0ec0ebe3d986a9b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:46.636667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091513/publication.txt
observed 8ebbdadbdc8921b7ddcc3812afbbbaf2...
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.