OpenTechnical

OT-2026-000043716

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, pulsed blow-off after set-down

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-2026-000043716) never changes.

Identity and time

Publication numberOT-2026-000043716 · never reused
Internal UUID01a0ae7b-92d1-77f3-8bf3-be239951073d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043716
StatusPUBLIC

Content hashes

Canonical text46877667590115e169d08bac8c93d4704e88568e5893091622f4fde7dd5aebc3
Markdown917e30c947b96d38b1ee38d5f02b71d66a3a4a7b637e09856f128a70d5aaabc6
PDF
Publication page3bda2eaff37b3f7eac688e4d2c25734d95f7d82c42bff9c230f72746ef26b695
Manifest956a9ec3a605027945e166705524564422272f1d5332356cc7235c1ae281f655

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
Signature0w7qgYdaTgPrjlVTu8b2eZqo0tqMqlI5NKkwcPhhyZCHry9b4CvYDw6JrlyNwHXZHGkJ+TPa83Lm29AAWwemAg==
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

2026-09-17T11:13:12.996064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043716
observed 3bda2eaff37b3f7eac688e4d2c25734d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:12.976516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043716/manifest.json
observed 956a9ec3a605027945e1667055245644...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:12.956308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043716/publication.md
observed 917e30c947b96d38b1ee38d5f02b71d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:12.935246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043716/publication.txt
observed 46877667590115e169d08bac8c93d470...
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.