OpenTechnical

OT-2026-000051819

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000051819) never changes.

Identity and time

Publication numberOT-2026-000051819 · never reused
Internal UUID01a0ae83-7c84-7c1f-8f67-ab99b1cda629 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051819
StatusPUBLIC

Content hashes

Canonical textc309d8c44a306aefbc4ce6e6a883b32520c35952da68e72b821af40ff536e49a
Markdown80ec9e0921553bd15ac772536fcf4ea520e76503f91c8d7379cfb125ce41f5d0
PDF
Publication page34f89c5b36444220d76fff69d2119d80d23432ed7bec569f3c46a0ae68c22629
Manifestbc6e3fdd8a5b8764bbf3b388b439c6f0c03b637a22c0041e364ba37edb91bf2c

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
SignaturehIf6uYGoXNPqjMmWdm6+4ClZhMHikD5XUlzN0hDe+PFN2L5JOdFvpAFOxImbgKnYc45n262hoPK6PX5JrKnlCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:58:44.375365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051819
observed 34f89c5b36444220d76fff69d2119d80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:44.356226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051819/manifest.json
observed bc6e3fdd8a5b8764bbf3b388b439c6f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:44.334873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051819/publication.md
observed 80ec9e0921553bd15ac772536fcf4ea5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:44.313110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051819/publication.txt
observed c309d8c44a306aefbc4ce6e6a883b325...
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.