OpenTechnical

OT-2026-000053444

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000053444) never changes.

Identity and time

Publication numberOT-2026-000053444 · never reused
Internal UUID01a0ae85-0a90-7aa5-834c-cc2ba8769b32 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053444
StatusPUBLIC

Content hashes

Canonical text96346ccc6367bbf670b2966447e9f57b1c1f3cc9e3feeddf10ae60ed3a77b5fc
Markdown177602850022b5684847fc8e52cf56f6eeed7f9f2aa7dd8bea14778d0ac2988d
PDF
Publication page5d64114153a519286b1338531e4ed7d2bda5e52ef9fd60c8c22e314d7a66c400
Manifestfebbf410855311e9525f9903c1eb96abddb9b429b1253c802203c9a3454954fb

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
Signature0jW8YhYl/3KXh2iVo+KocYFcP3WrB5x16ZPOfZc91+q7gxjStr/dR+NRbDeV0o+YdwSKt4fPHt5d/rl63t3xAQ==
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

2026-09-17T10:55:11.177009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053444
observed 5d64114153a519286b1338531e4ed7d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:11.157472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053444/manifest.json
observed febbf410855311e9525f9903c1eb96ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:11.138313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053444/publication.md
observed 177602850022b5684847fc8e52cf56f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:11.119249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053444/publication.txt
observed 96346ccc6367bbf670b2966447e9f57b...
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.