OpenTechnical

OT-2026-000056279

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000056279) never changes.

Identity and time

Publication numberOT-2026-000056279 · never reused
Internal UUID01a0ae87-4bd1-7674-9a64-5f6e33dfafd8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056279
StatusPUBLIC

Content hashes

Canonical textd75c96d6d90c975b115dd4c25638f993f50c68dbd193f7defaf97123d2b43dc9
Markdowneafb8114a6729835c74534ff8beacd3009e55baa90968696521c451b74b5622f
PDF
Publication pagea54ab753d69305b7ce652e974f794c7959ae561a4c734f5de7d6928e67de8f31
Manifest10a56de54f1ae1f9706b39b52c7e8146ccfbc9ef63d739adc197164b901aba22

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
Signaturewj5wjBNNKoY6qQkkw+1sjERFpVE9tCOC9YB0iV9FpzWphO1BUWb2FnAkFZE7GnQmjl9a0rHt4xczS2av/Aw1DQ==
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

2026-09-17T10:50:46.039414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056279
observed a54ab753d69305b7ce652e974f794c79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:46.022362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056279/manifest.json
observed 10a56de54f1ae1f9706b39b52c7e8146...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:46.004857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056279/publication.md
observed eafb8114a6729835c74534ff8beacd30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:45.987965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056279/publication.txt
observed d75c96d6d90c975b115dd4c25638f993...
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.