OpenTechnical

OT-2026-000059268

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000059268) never changes.

Identity and time

Publication numberOT-2026-000059268 · never reused
Internal UUID01a0ae89-8613-70a2-bf90-c3bd902e19ef · 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-2026-000059268
StatusPUBLIC

Content hashes

Canonical text2f5efdb056ae41da8809a8eac510f0a7ca08a8f89975415a718908b600ac7d5d
Markdown8c6f6c6b33fa7714e0c6cebe3ff9432d879ea4cfb35153b2702a2dc959db9337
PDF
Publication page1c5308c2b6d743c4bc0695dabdf32aa1d780964a1cfd696c0a684780f5d2081c
Manifestd93c296c90f3d46199ccfc525733c19af9272f0694668aba6cb2c25bc9c2cc97

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
Signature3ZRuBKtPmHl5zh9/CGz7zxYUDuAfoEuc/3UrPVxwDJf+Flq4MlyBKihg7100lfI8VAY8wBMD3F8jEL7ROT27Cg==
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

2026-09-17T10:45:49.092165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059268
observed 1c5308c2b6d743c4bc0695dabdf32aa1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:49.074347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059268/manifest.json
observed d93c296c90f3d46199ccfc525733c19a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:49.055730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059268/publication.md
observed 8c6f6c6b33fa7714e0c6cebe3ff9432d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:49.037633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059268/publication.txt
observed 2f5efdb056ae41da8809a8eac510f0a7...
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.