OpenTechnical

OT-2026-000063843

Publication integrity record

Foam pad vacuum gripper, two zone face, two stage ejector, pressure sensor per zone, 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-2026-000063843) never changes.

Identity and time

Publication numberOT-2026-000063843 · never reused
Internal UUID01a0ae8d-53b7-72a4-88e8-e5af5add6b34 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063843
StatusPUBLIC

Content hashes

Canonical text995474e321e235765194afe0b41a064488d9c66170d5e23b796c51460ff5438d
Markdownf2fdc8ca286e1d15d7842af6c271e1996603b49e39c4bad7783313254ebac841
PDF
Publication page6d788614830ea48bfec5291aa9bf0c5a99b9f8203c847cdbe6d950f8a1e4c7b0
Manifestb25cd2c83784862391c760c97063780cd29e2af85a709b43ac1052f2b2bccc42

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
SignaturejDsCi80iWRm26g6Q112hUcjBrjFYds1Jy/5R6lenvxRnGQGBi2fMEkVpZYQvE3fjbQrVqL5Dif0fEHsCnoY2DA==
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

2026-09-17T10:36:52.284132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063843
observed 6d788614830ea48bfec5291aa9bf0c5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:52.266560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063843/manifest.json
observed b25cd2c83784862391c760c97063780c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:52.249187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063843/publication.md
observed f2fdc8ca286e1d15d7842af6c271e199...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:52.230587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063843/publication.txt
observed 995474e321e235765194afe0b41a0644...
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.