OpenTechnical

OT-2026-000063859

Publication integrity record

Foam pad vacuum gripper, two zone face, two stage ejector, pressure sensor per zone, 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-2026-000063859) never changes.

Identity and time

Publication numberOT-2026-000063859 · never reused
Internal UUID01a0ae8d-53ba-7af5-a6f4-7a1a38138e02 · 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-2026-000063859
StatusPUBLIC

Content hashes

Canonical text72e13576b4be269963f371ff5074eaa67a3403b17b01457b4589d8c5f3cb5239
Markdown52f7f36234c1300dc956de8a2d0a18441eac24bfcee3a036ea3e68f90edf3bbb
PDF
Publication page37c1594f9b7ba66a10280cbe440a8745f5e274fb710e8d9eb55fda812ea9f102
Manifestc3773181b9bca3125805938b9cae5204517fd5d04516ab0a0e0e8ad6f4a65b21

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
Signature43T/xzcfE3yX0lszKn76aUDGL2O/UFJ8H6wz/uLM2fZEdZVT96wQ+x/OjHo/HRlZNbF++XXAz+5GEQPzurV2AQ==
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

2026-09-17T10:36:53.562337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063859
observed 37c1594f9b7ba66a10280cbe440a8745...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:53.542337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063859/manifest.json
observed c3773181b9bca3125805938b9cae5204...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:53.520344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063859/publication.md
observed 52f7f36234c1300dc956de8a2d0a1844...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:53.495774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063859/publication.txt
observed 72e13576b4be269963f371ff5074eaa6...
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.