OpenTechnical

OT-2026-000019812

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, 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-2026-000019812) never changes.

Identity and time

Publication numberOT-2026-000019812 · never reused
Internal UUID01a0ae6f-1fb5-7ad8-9660-d4192b082aa4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019812
StatusPUBLIC

Content hashes

Canonical text247fe41bd5ffcb748098ddc46b1c267ed54f2b18d97c86ba476413a234c27ca9
Markdownd49945c0e3976f1310755d9b2abe0fb537af843fdd59c10083acd943b55fdd96
PDF
Publication page78b5b0854ccfbda840db6238c2ac1d8324133edf27e1c1ae5a8daf940bb98109
Manifestf7c2115cd79320531583c7d532d302a4460c14bed480b5c3d58b7d96d4918fa2

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
SignaturetJG165pyXayy7tuziBE+NhWAZfTo5Fks4R1QQUmvXPYKzr3a4iOlMXnFBwjM7+wiuqNq3llm4ASqI8dKIsDEAQ==
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

2026-09-17T11:58:00.004399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019812
observed 78b5b0854ccfbda840db6238c2ac1d83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:59.985728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019812/manifest.json
observed f7c2115cd79320531583c7d532d302a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:59.967630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019812/publication.md
observed d49945c0e3976f1310755d9b2abe0fb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:59.950552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019812/publication.txt
observed 247fe41bd5ffcb748098ddc46b1c267e...
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.