OpenTechnical

OT-2026-000023379

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, two 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-2026-000023379) never changes.

Identity and time

Publication numberOT-2026-000023379 · never reused
Internal UUID01a0ae70-7268-70b1-8768-fcb722ccd389 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023379
StatusPUBLIC

Content hashes

Canonical texta3d5ed26fdd19255424fc87e7893e6ffdcb747188df350d5238e76f44e063903
Markdownb0b481a3ce1a8803601dd98db24d7f94c4fec2ce585c29175c59f088f5808225
PDF
Publication page89242978c2cb9dd84a2b9d1a1a308aa1f5992826fe59f644f5f114db534847a6
Manifest094b2e22715149be887f1ea1d083a09a7d5437630b9fe58be063c0797fa24b0d

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
Signature/kveITlauoU/ACKCd6dNI54twkMzTCGBv1vmlh74vT3MNqt0JWekGc95mTbwbt8kKMDvPigdx64Aw6pNrpVcCA==
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

2026-09-17T11:51:34.604354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023379
observed 89242978c2cb9dd84a2b9d1a1a308aa1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:34.586037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023379/manifest.json
observed 094b2e22715149be887f1ea1d083a09a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:34.565402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023379/publication.md
observed b0b481a3ce1a8803601dd98db24d7f94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:34.547179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023379/publication.txt
observed a3d5ed26fdd19255424fc87e7893e6ff...
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.