OpenTechnical

OT-2026-000029079

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, single 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-2026-000029079) never changes.

Identity and time

Publication numberOT-2026-000029079 · never reused
Internal UUID01a0ae73-2a9f-78d3-902f-73fa106a0b4b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029079
StatusPUBLIC

Content hashes

Canonical textaa7af03ccf31443a0b1b9f81441f23313b937797310c42063c234800925a12db
Markdownf6ec55f9de717bab3fd2e1911187f557d9764d31aecd949dc608d5106167cde6
PDF
Publication page25100fdc4d27f3827a120e2416dd1ac693ff7db6a338e68871f3db0eb0ee0e63
Manifestac8b906879be822b4374572fe81145b2a114d262c641d6b10b8754eeab79afbf

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
SignatureQte1Ko5ZBFz8s5Xz09A2ieZudW0iGEDib/iIX8EuCVOIIlS71yd5cdKXqledmZ/PlTdsyIJM4/5X+68OD8d8BQ==
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

2026-09-17T08:20:46.980071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029079
observed 25100fdc4d27f3827a120e2416dd1ac6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:46.963282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029079/manifest.json
observed ac8b906879be822b4374572fe81145b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:46.945577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029079/publication.md
observed f6ec55f9de717bab3fd2e1911187f557...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:46.797351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029079/publication.txt
observed aa7af03ccf31443a0b1b9f81441f2331...
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.