OpenTechnical

OT-2026-000060850

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, three stage ejector, vented 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-2026-000060850) never changes.

Identity and time

Publication numberOT-2026-000060850 · never reused
Internal UUID01a0ae8a-b7d1-7f33-aa3b-974047f1c9ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060850
StatusPUBLIC

Content hashes

Canonical text1c2f16bc38e5afb1eabca132513905bb7ecb2e4d7411ed03b08124f4e616b8fc
Markdowna2dd8668662cdede3255895e5be91152f19b2a576467f5feedf70bd4a6b70c51
PDF
Publication page83e60a7a3955acaabd2875de67cca64f61c47ac8786b5d66cb1e2cdcbb783072
Manifest11d65ab826125e1c5e41f4e0bf4252a9a7468cab35b1fd379161d0be61b25469

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
SignatureDtwmyUa0SSbpQvnyA8ARg9F/tfDQRMiOdYmmbPYRKpISpq2E9t/fOZyKYtghV4FKDys5SiVaiR99Cgpr7nw8DA==
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...

Independent retrieval

2026-09-17T10:43:36.467770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060850
observed 83e60a7a3955acaabd2875de67cca64f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:36.450785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060850/manifest.json
observed 11d65ab826125e1c5e41f4e0bf4252a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:36.434526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060850/publication.md
observed a2dd8668662cdede3255895e5be91152...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:36.418119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060850/publication.txt
observed 1c2f16bc38e5afb1eabca132513905bb...
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.