OpenTechnical

OT-2026-000103835

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, three stage ejector, pulsed blow-off 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-2026-000103835) never changes.

Identity and time

Publication numberOT-2026-000103835 · never reused
Internal UUID01a0aea4-e463-745c-9a8c-bf22db589338 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103835
StatusPUBLIC

Content hashes

Canonical texta460daadbaa5b8726e47b480772890feb80db3dcd487538b86884244aa74b636
Markdownd3698dc4d98d4142cdd8482fb9901e4e73d3819d4655b7f1afb1b9a080b0308a
PDF
Publication page406b4e5b20d3578bd72810c110a6f9277444b6a269c06c7b2df96c5cea05fe5d
Manifest1cd79f188376ab59d5ba5efa28ea26cd78cbe223d09023d2accef8391917019c

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
SignatureQ9qELYbINxXOkmcq5+J1cKEWcYXVAuRPiHQRPn8ZdScqAto9DPPGmhRSzmk0rBZ9cDZaiDEpBPNJggHpaYppBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:47.644435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103835
observed 406b4e5b20d3578bd72810c110a6f927...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:47.629424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103835/manifest.json
observed 1cd79f188376ab59d5ba5efa28ea26cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:47.613766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103835/publication.md
observed d3698dc4d98d4142cdd8482fb9901e4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:47.597237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103835/publication.txt
observed a460daadbaa5b8726e47b480772890fe...
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.