OpenTechnical

OT-2026-000059388

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, sustained blow-off after 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-2026-000059388) never changes.

Identity and time

Publication numberOT-2026-000059388 · never reused
Internal UUID01a0ae89-8615-738c-932d-36f98605db65 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059388
StatusPUBLIC

Content hashes

Canonical textb736add2cc248000b70718a96f517592091889df034d0ca4259297a2cd4eb8ad
Markdown00ec5cd7ff5aaeded8977d8bfec7eb68b4090fe814b51dc3f57b0ca3a38ea319
PDF
Publication page916c29fe98e00f4a5178105444ddebca1b4cd5f2deba087976c772da0691b927
Manifest4c04c76c6ed7ea890d199c420423ab47e9a7789fdd3a7a4dbe76330043c199c5

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
SignatureC3lSihMctUtGX2178bueacYpbhQzXB1KPoWG3JLZ8dsYIfHyeTFZec462FnliEMtR+P61OuES0z2LEbHRu13Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:46:03.796397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059388
observed 916c29fe98e00f4a5178105444ddebca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:03.776268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059388/manifest.json
observed 4c04c76c6ed7ea890d199c420423ab47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:03.758105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059388/publication.md
observed 00ec5cd7ff5aaeded8977d8bfec7eb68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:03.740356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059388/publication.txt
observed b736add2cc248000b70718a96f517592...
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.