OpenTechnical

OT-2026-000075195

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000075195) never changes.

Identity and time

Publication numberOT-2026-000075195 · never reused
Internal UUID01a0ae93-f1ff-78b6-9ddf-99cb751baf94 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075195
StatusPUBLIC

Content hashes

Canonical text1544ab9f71c0e525a1b456f35fa16ffd43464d2a942ad2829e1ff91303e0321b
Markdownefbdea9f9fd5ac785853495466e4b72605f04f84e0093b16462d4c4d24476e78
PDF
Publication page17003d255692772d3928c1525f23246989fdfcf7ad149c6319343a228d9ece70
Manifest52295abf0f2703236216e2c5697d15e4a87ce3d269fe4b8953718c1cb48d47ba

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
Signature7jzVuqUyTJhEyvbP+BiwFtfqEi00GpAG/X88sgANqv6VxMVFVUzwAmTNtmkNxftUWuIfd/+YGBEHxehyg4GnDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:20:27.033846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075195
observed 17003d255692772d3928c1525f232469...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:27.015789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075195/manifest.json
observed 52295abf0f2703236216e2c5697d15e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:26.995108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075195/publication.md
observed efbdea9f9fd5ac785853495466e4b726...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:26.978507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075195/publication.txt
observed 1544ab9f71c0e525a1b456f35fa16ffd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:39.300789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075195
observed 17003d255692772d3928c1525f232469...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:39.282253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075195/manifest.json
observed 52295abf0f2703236216e2c5697d15e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:39.265394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075195/publication.md
observed efbdea9f9fd5ac785853495466e4b726...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:39.246772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075195/publication.txt
observed 1544ab9f71c0e525a1b456f35fa16ffd...
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.