OpenTechnical

OT-2026-000033093

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, pulsed blow-off after 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-2026-000033093) never changes.

Identity and time

Publication numberOT-2026-000033093 · never reused
Internal UUID01a0ae75-4844-762b-b547-54f222e06780 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033093
StatusPUBLIC

Content hashes

Canonical texteca428fdafa3b5cb2bb123d43b0ae7da752e3b3447445aea3f30e69b838d4dcd
Markdown8db5f74309a5ef026ab3548758183e0e506632c9105c462e577f96583778a4f8
PDF
Publication page61002252bb15e27bcf0bd6762804ccd0dcaf1882d4f8456aa5a14ef473eb20d8
Manifestee0fe292176d4126585250a84ab5347b66598cb59930c7aad01bcd842dd2a4e8

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
SignatureMxdzIntEAkbjFPiV6fWuJVNvFNfYTuPpijQt2lcYRjlgIeYx8EQ+ySS6vFfXCltVUm9xAh+MD/JkqI+Tg7NjCA==
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

2026-09-17T11:32:44.617904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033093
observed 61002252bb15e27bcf0bd6762804ccd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:44.597947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033093/manifest.json
observed ee0fe292176d4126585250a84ab5347b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:44.579861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033093/publication.md
observed 8db5f74309a5ef026ab3548758183e0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:44.563607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033093/publication.txt
observed eca428fdafa3b5cb2bb123d43b0ae7da...
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.