OpenTechnical

OT-2026-000005314

Publication integrity record

Bellows cup vacuum gripper, per zone isolation, two outlet manifold, ejector fed, pressure verified

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-2026-000005314) never changes.

Identity and time

Publication numberOT-2026-000005314 · never reused
Internal UUID01a0a935-24c8-7e49-9e6d-abd8dd6579be · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:53:47.468305Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005314
StatusPUBLIC

Content hashes

Canonical textda52d1c0d85b14b4f1720910500565897c3f28099d551019bb4c6b82411c7239
Markdown0b13cb68f6eda15f23fcaad9027e953c461189bba128f50f9e6676c67ae0eed5
PDF
Publication pagedf816510f8e2c89e19389bfb0f9ef5c3fc8376a68264574354c37a1145bc1c81
Manifest9c7a64f3d6ce2e57bebd4536bd7dab7cd154e969d5868df717c4abef0f54b0c4

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
SignatureNRs8gP3n8f/+Us9n1IcHXwp2pnjbxVzvjUl3fQHqH64yxDITef3pjvPMmRpjc9WJrBBq4lBQT5vyz6hPsJANAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:23.666043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005314
observed df816510f8e2c89e19389bfb0f9ef5c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:23.654157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005314/manifest.json
observed 9c7a64f3d6ce2e57bebd4536bd7dab7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:23.641503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005314/publication.md
observed 0b13cb68f6eda15f23fcaad9027e953c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:23.623854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005314/publication.txt
observed da52d1c0d85b14b4f172091050056589...
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.