OpenTechnical

OT-2026-000026243

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, pulsed blow-off before 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-2026-000026243) never changes.

Identity and time

Publication numberOT-2026-000026243 · never reused
Internal UUID01a0ae71-a841-7cc5-b9e3-2b3890e1445a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026243
StatusPUBLIC

Content hashes

Canonical text4123ca2f658bc6a6a16dc21c9f256fc0c4b901e767a87fadc91fd4b646160c07
Markdown4eb16439ff925d6399ec1c857a2b8dcf05d746409d9b960d9baed98bc5a0b164
PDF
Publication page58edee5e2f962f1591b73d43280871d7f38cba56f6492414fa1b4699bc5f5330
Manifestfef71814c24cec0b8aded21f5ce4c2f516163e3e7eb1785fa1fb9a38da95e0a9

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
SignatureHIS9kcc7Vd7nkwnHzA/Hfs5NH+ZFWIcYDhhjB8wYh7kfH3VXylDxXMOzWAbYf6inmAPaaUEhABW58exBQSIrBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:46:46.718853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026243
observed 58edee5e2f962f1591b73d43280871d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:46.700839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026243/manifest.json
observed fef71814c24cec0b8aded21f5ce4c2f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:46.681398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026243/publication.md
observed 4eb16439ff925d6399ec1c857a2b8dcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:46.663288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026243/publication.txt
observed 4123ca2f658bc6a6a16dc21c9f256fc0...
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.