OpenTechnical

OT-2026-000056923

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000056923) never changes.

Identity and time

Publication numberOT-2026-000056923 · never reused
Internal UUID01a0ae87-7af9-75a0-90ec-7b77196ba865 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056923
StatusPUBLIC

Content hashes

Canonical text2dc647e7c9b7c3345b0d6efded87294fa00a9433166c3c0cc663b7d420904526
Markdownec65028d646607803671af85e60baac0ffbde503d81581ad2ddeab62bf1a8f26
PDF
Publication page5d23cc4a57b325dcea24c94a6aa214fbedf7492c03216babd3c14faea9e99a72
Manifest18d7051862a66b9dff008ea2bda0abc31a17c0c89aba08838f237f0ccc848cc4

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
SignatureFKFI/jZ0wsPF7JqmaeiRahEvjp3oz9eoESNqVXjxDG4qIYRPDhE+8XZv1zPJuSHEbT/gJN43b0aujK5vrTntDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:28.131594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056923
observed 5d23cc4a57b325dcea24c94a6aa214fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:28.111811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056923/manifest.json
observed 18d7051862a66b9dff008ea2bda0abc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:28.094323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056923/publication.md
observed ec65028d646607803671af85e60baac0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:28.077440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056923/publication.txt
observed 2dc647e7c9b7c3345b0d6efded87294f...
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.