OpenTechnical

OT-2026-000014920

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000014920) never changes.

Identity and time

Publication numberOT-2026-000014920 · never reused
Internal UUID01a0ae6d-d095-7a34-adbd-ab6d70c506ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014920
StatusPUBLIC

Content hashes

Canonical textd8292d71f2241ac893eac4e107c47cd0312671f8ea7b852f530ab9f2ce9b54cb
Markdown430f209799f2534b4e79778aef9f019d5453834859032b58791e6956969afd2a
PDF
Publication pagef552dd8074bc999006ef48348ead5ceaad6c66fa98640ef76a2bd0b8dd85981e
Manifest4c1a4233979fac45777fd88d72bcbd11c6ae2c9b0a02e899cf923eb82cf0c06c

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
Signature2Kwgn2m3ru2W0+1skGgKJoIzG9jZEx2X562FjuZVnb8ZHgH7v2omQGIswTLCKAk1hhMJ7Z+wbW9U/t9v2v/8Dg==
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

2026-09-17T12:06:51.551387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014920
observed f552dd8074bc999006ef48348ead5cea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:51.534627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014920/manifest.json
observed 4c1a4233979fac45777fd88d72bcbd11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:51.516974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014920/publication.md
observed 430f209799f2534b4e79778aef9f019d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:51.498088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014920/publication.txt
observed d8292d71f2241ac893eac4e107c47cd0...
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.