OpenTechnical

OT-2026-000030064

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, sustained 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-2026-000030064) never changes.

Identity and time

Publication numberOT-2026-000030064 · never reused
Internal UUID01a0ae73-ac4a-7ed3-8af6-f9bcff5c6dc4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030064
StatusPUBLIC

Content hashes

Canonical text736d7082f7125938ce2c4474fc57097cd7cb096fddf125a7b11dff4710546044
Markdown961281bfded10d98b11491e16590bb6db5c154a89c1a3d209cd653826d7c8a0a
PDF
Publication page3291decda85862fcd0dc5dce3e3130aa4c6229d625d7c0e0c58d6f24b1e8bb5e
Manifestc5385e988de4122e955773728d926488833c6bf32286405b5a66d39795c8b05d

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
SignatureSN8GXYbvLtbRK/UqkRSUqk7LuhEY3v3o4+Emopc641OIsCvWDeo5O7V0tjI92vmZ2+kYXVlqP6tWkDuTZXIiAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:38:48.387896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030064
observed 3291decda85862fcd0dc5dce3e3130aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:48.372667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030064/manifest.json
observed c5385e988de4122e955773728d926488...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:48.354764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030064/publication.md
observed 961281bfded10d98b11491e16590bb6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:48.336318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030064/publication.txt
observed 736d7082f7125938ce2c4474fc57097c...
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.