OpenTechnical

OT-2026-000006331

Publication integrity record

Vacuum cup gripper, four outlet manifold, two stage ejector, sustained blow off before set down

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-2026-000006331) never changes.

Identity and time

Publication numberOT-2026-000006331 · never reused
Internal UUID01a0a957-48b8-77ff-9760-6e0c66c3c555 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:31:04.890910Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006331
StatusPUBLIC

Content hashes

Canonical text624e9f98a180ecafe8920faf6fbe0c1d35e5f0a6e6f8776bb2c5a047fba22725
Markdown979954aac673c245d464d56b796ab939d277d01f21d78f236d333bb8f9068566
PDF
Publication pageb66c215aee6e3c8ce0f96270dab2cacd8d8d42a864d1eb2e09010f3664c3ee63
Manifest430f686eec15950894ca09336d9d9c010150badcede1f8b8a0512de19f2237df

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
SignatureAqu3ycFuSzAxO7Fa0ko1nhpZrtt9BxdI14Sljda4ZkgP52Uanln0plZFbO7Afgz0SlgoMrUlJeJ13K2CDLlYAw==
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

2026-09-16T08:40:30.427895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006331
observed b66c215aee6e3c8ce0f96270dab2cacd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:30.412498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006331/manifest.json
observed 430f686eec15950894ca09336d9d9c01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:30.398906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006331/publication.md
observed 979954aac673c245d464d56b796ab939...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:30.384932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006331/publication.txt
observed 624e9f98a180ecafe8920faf6fbe0c1d...
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.