OpenTechnical

OT-2026-000101100

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, pressure sensor per zone, sustained blow-off before 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-2026-000101100) never changes.

Identity and time

Publication numberOT-2026-000101100 · never reused
Internal UUID01a0aea3-c378-766f-88da-c9a0a0075b2b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101100
StatusPUBLIC

Content hashes

Canonical texta38d87864026e981f9af82077896dc4e8f0af0cecae2c66ff46e465d3075b159
Markdown1fa51bc68bb4bd5c4ad157eb198f46f79fa2a4a9b8ac5fce7379aa70c700fd5f
PDF
Publication page74e1d793d6f5205be71419ff49fcc99585d31815fcb26b903d011aaf9cfd6841
Manifest36cf8fe3b1976e600301f1983ee0cbeb23b9ab9396e1bdd134ec1723b34a9519

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
Signatureja0KBwKS9+kfbd+P+X4604ATCV737zaqK1zeD3lGIgfa5KL1KJFcfRa3toBwzc/1xwnP2BF4v//fklSDTGH8AA==
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

2026-09-17T09:26:43.483173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101100
observed 74e1d793d6f5205be71419ff49fcc995...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:43.466113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101100/manifest.json
observed 36cf8fe3b1976e600301f1983ee0cbeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:43.447594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101100/publication.md
observed 1fa51bc68bb4bd5c4ad157eb198f46f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:43.429121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101100/publication.txt
observed a38d87864026e981f9af82077896dc4e...
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.