OpenTechnical

OT-2026-000059981

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single 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-2026-000059981) never changes.

Identity and time

Publication numberOT-2026-000059981 · never reused
Internal UUID01a0ae89-ec26-799b-bb05-2287a8d1b8f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059981
StatusPUBLIC

Content hashes

Canonical text0e8bccf562c9627b0db00aedf7fbf75a9e41284cbb7410b29ebeb2cb195b3328
Markdown74480db9836d0e576f011769a75b564b0d5d951add2efc89b504c283c36d1e81
PDF
Publication page9a1a7e2b10deb6e29e0eb8a1002b4adfa7d5c9c76d26a19c63ee7d3b4f8cf107
Manifest3a8e57f520c21828ecb0c9751c749f9c7d9cc70f6118a492079f8105a7917098

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
SignaturePd+g1I82z5mT6m9GblIUqcCUkO5WniB8eXqwbDgUFps5fEJnnALGoBW8pFUw/XTwIO9AxowtkbK5oQyWMjJKCw==
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

2026-09-17T10:44:46.158136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059981
observed 9a1a7e2b10deb6e29e0eb8a1002b4adf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:46.140407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059981/manifest.json
observed 3a8e57f520c21828ecb0c9751c749f9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:46.122618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059981/publication.md
observed 74480db9836d0e576f011769a75b564b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:46.104424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059981/publication.txt
observed 0e8bccf562c9627b0db00aedf7fbf75a...
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.