OpenTechnical

OT-2026-000077608

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, vented after 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-2026-000077608) never changes.

Identity and time

Publication numberOT-2026-000077608 · never reused
Internal UUID01a0ae95-2ece-7f38-a2eb-c9ea3fcd026d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077608
StatusPUBLIC

Content hashes

Canonical text6bfa89d72cac5ad90026befe43c790b78057e3eddce9e835968db2d3ec48a9c8
Markdownbe53e4cdb085204316db50b84237778c2d5e0d36f58582de96393109dee6b522
PDF
Publication pagefd5622e50fd7688045db031e9e5bd74a86e27d30647c74934f9a3676fda4c7cf
Manifestddff89894ad0d495c59f228cd3b60856c396ab76f67f77d102d5f5229b367924

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
SignaturekoT2Z7CDsuUoztM3Vho4d0hBMiRhxs687fetHoq/FYCChfCbAdDvZUYCTo8Wwcyc2v9MI5d7xIXei0GfKnzjBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:07:10.070816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077608
observed fd5622e50fd7688045db031e9e5bd74a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:10.049853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077608/manifest.json
observed ddff89894ad0d495c59f228cd3b60856...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:10.028286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077608/publication.md
observed be53e4cdb085204316db50b84237778c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:10.008132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077608/publication.txt
observed 6bfa89d72cac5ad90026befe43c790b7...
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.