OpenTechnical

OT-2026-000043093

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, sustained blow-off after 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-2026-000043093) never changes.

Identity and time

Publication numberOT-2026-000043093 · never reused
Internal UUID01a0ae7b-327a-7142-83cc-9a156fc920a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043093
StatusPUBLIC

Content hashes

Canonical text2aa398bf646bba220a7c913e7c43a7f76ccccb3957c40bfc9b2a4b1a3d2492f6
Markdown7052f44713bfdfe0577fe6a879584213d2c3cef8da537fc133fd45f523469566
PDF
Publication page0bbf27be21323b5bd5d7f9e6ab13200e1be2a1006a1d88960f0aeee01607c755
Manifest83d37c001bd22d416d087e864867e01ce04060ea50e3196062923cfca915f18d

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
SignaturesV6k6Zv04ajTdJyOV2yPLlM+BKRsSVWolQIxv9a57pZtP30Y8/9rN+fT+mlwrsU5nPqoUh1UW+GhBinA2sGEAA==
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

2026-09-17T11:13:30.750515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043093
observed 0bbf27be21323b5bd5d7f9e6ab13200e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:30.731926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043093/manifest.json
observed 83d37c001bd22d416d087e864867e01c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:30.712274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043093/publication.md
observed 7052f44713bfdfe0577fe6a879584213...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:30.689361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043093/publication.txt
observed 2aa398bf646bba220a7c913e7c43a7f7...
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.