OpenTechnical

OT-2026-000006627

Publication integrity record

Vacuum cup gripper, per zone isolation, two stage ejector, vented before set down, 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-2026-000006627) never changes.

Identity and time

Publication numberOT-2026-000006627 · never reused
Internal UUID01a0a961-d6dd-7498-9b60-d924c3487885 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:42:36.640400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006627
StatusPUBLIC

Content hashes

Canonical textca0d8e3f66e6427e2edbb61276c28aba0532a5c191dac9f1440871fe4af4e9fb
Markdown6559fdfaf210ac740f7618d4eefdf3ee1d9049808be06c07e5c47d8692a08705
PDF
Publication page42baecda83b65681985bea3ce4713a11912e1e4e49fa236deb6285c66b805b04
Manifestc052003c75842744e48c95ba81e3e9caf7a99f8f8aaccc497c6eb9e49f95bace

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
SignatureEBQrEB9NyxXJJYC8ytwEEZKWHZLcvX/TGeSS3g4mndWZo0o67ITANUld5NkFNVAnFXOM46LLpdxFZAiM8fMVBA==
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

2026-09-16T08:50:23.690751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006627
observed 42baecda83b65681985bea3ce4713a11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:23.678060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006627/manifest.json
observed c052003c75842744e48c95ba81e3e9ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:23.665081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006627/publication.md
observed 6559fdfaf210ac740f7618d4eefdf3ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:23.651180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006627/publication.txt
observed ca0d8e3f66e6427e2edbb61276c28aba...
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.