OpenTechnical

OT-2026-000053945

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, supply line pressure sensor, vented 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-2026-000053945) never changes.

Identity and time

Publication numberOT-2026-000053945 · never reused
Internal UUID01a0ae85-b3a6-7a83-99a5-4332bd3e8e13 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053945
StatusPUBLIC

Content hashes

Canonical textbdf5912c91b7b9b29232ce7d9fdd96c7943d66e48b4fa3ef425d16d03991721e
Markdownf8e128b5788c86510f4e880e50421975a66bfccb9872d6ac65e6a1862606d8a5
PDF
Publication page187f589f7c26e79eb5cc845962933fe5b183373c62f203bb5df7a334729db948
Manifest01aafbcc30d00158e709c21a673d85fab580a486915e93e638b506d808307a51

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
SignaturewyHOHIZLfXVPl4J3q4+uOmBKtebpv9zTqZ/XYf2aFy0K8Y08Ch6rmCQ+Me7t/OpzWm6OEvpgG4RvVrhXCG5FBA==
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

2026-09-17T10:54:11.636871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053945
observed 187f589f7c26e79eb5cc845962933fe5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:11.619342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053945/manifest.json
observed 01aafbcc30d00158e709c21a673d85fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:11.598966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053945/publication.md
observed f8e128b5788c86510f4e880e50421975...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:11.580343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053945/publication.txt
observed bdf5912c91b7b9b29232ce7d9fdd96c7...
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.