OpenTechnical

OT-2026-000012676

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, 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-2026-000012676) never changes.

Identity and time

Publication numberOT-2026-000012676 · never reused
Internal UUID01a0ae6d-5562-78e3-819e-78f83c531c96 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012676
StatusPUBLIC

Content hashes

Canonical textfa4e79eeaed88bd4fb9281cd653598bd75adc0538d75d132497d54a1169640ea
Markdownca75aefb5205f9af6c5606581ebd822f905c0f398d36e03d16f53ca1a90fc918
PDF
Publication pagebc4f54482f4dc19b5aa27d7571236701bb293d87decb11a3d15b955a1101701d
Manifestb16140ff7f32163fd2c887281d602cf3d3c47bf95b9d4ede100cf5e875364920

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
Signature0+wFhyMF0k2wScK6HUoEDLY34nGy/vDEhnsZ7vNoqyxFx/CTujg8vgDJA70X+EZOEylTQfiOtYAo9Tp9IM5LCg==
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

2026-09-17T12:10:19.345033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012676
observed bc4f54482f4dc19b5aa27d7571236701...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:19.326907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012676/manifest.json
observed b16140ff7f32163fd2c887281d602cf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:19.307092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012676/publication.md
observed ca75aefb5205f9af6c5606581ebd822f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:19.289918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012676/publication.txt
observed fa4e79eeaed88bd4fb9281cd653598bd...
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.