OpenTechnical

OT-2026-000006532

Publication integrity record

Vacuum cup gripper, two outlet manifold, ejector fed, pressure verified at each zone, rubber cups

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-2026-000006532) never changes.

Identity and time

Publication numberOT-2026-000006532 · never reused
Internal UUID01a0a95e-7dbb-7179-a80a-c0db68080c27 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:38:57.213985Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006532
StatusPUBLIC

Content hashes

Canonical text64744db36c8b4ffc1b2b8ca1725b67d532360ce9afa5d991e24d6e3abbd92089
Markdown028b7a21824020a707ca16eb0a51d172c26899a0df57b371c60fc6d88749d3bf
PDF
Publication page42b7e3a80b690caffea5ee23e44d55977aee1f40d36f774eb4dfe3706182bd1e
Manifest900383231ff1f849ac825d520c12d6269c789d57fbb4170cd49258a68f6f07f6

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
SignaturegyEUUEEt0g6Z0N5cncINKKuWHhb60tI8Zhk0JoMPv0rBDp8lvJcnHq3rAeecIsl3giuU19r16cdHQCxOQ4C5DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:06.427333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006532
observed 42b7e3a80b690caffea5ee23e44d5597...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:06.411971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006532/manifest.json
observed 900383231ff1f849ac825d520c12d626...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:06.397900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006532/publication.md
observed 028b7a21824020a707ca16eb0a51d172...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:06.381508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006532/publication.txt
observed 64744db36c8b4ffc1b2b8ca1725b67d5...
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.