OpenTechnical

OT-2026-000042007

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, pump fed, 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-2026-000042007) never changes.

Identity and time

Publication numberOT-2026-000042007 · never reused
Internal UUID01a0ae7a-5d6f-7a55-9d65-2624d784569b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042007
StatusPUBLIC

Content hashes

Canonical textebca4bb085b1594b77b1e51bcd4f75eab0ecb421f3a3dd563e5dd221056e676a
Markdownd263fa373a9250fb9546300580be67a2938839302b4a0f791e5df81f06b4c34a
PDF
Publication page1af3854cc1c9c3e40b8356204463e1745e060df0eb8b046f5ea88f5d48bdae56
Manifestb5ce66829b325ef01afcbd8cab0bb05185bc567a81ed0a6b6fac0a189b2cd992

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
SignatureT9X4iUniu9ujCc+EU0lH2+R37KAz2JXqaGmZXFfMNGDQYQTBjXWTDuYo3fjBQYXzgg9NUu1K75hvLZzxqGeKAw==
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

2026-09-17T11:15:30.392909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042007
observed 1af3854cc1c9c3e40b8356204463e174...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:30.375491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042007/manifest.json
observed b5ce66829b325ef01afcbd8cab0bb051...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:30.356357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042007/publication.md
observed d263fa373a9250fb9546300580be67a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:30.335027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042007/publication.txt
observed ebca4bb085b1594b77b1e51bcd4f75ea...
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.