OpenTechnical

OT-2026-000103733

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000103733) never changes.

Identity and time

Publication numberOT-2026-000103733 · never reused
Internal UUID01a0aea4-e462-7efb-80ea-30e0151f4c3d · 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-2026-000103733
StatusPUBLIC

Content hashes

Canonical texta868de7631881e4ee63ff97fa3014df65fc1a18bfe455180b58020117e9c6bfd
Markdown74cf1ed58058430cecd35f6121ce253b3d2748ac8f947599a5041da436835779
PDF
Publication page3bbc2999da29b5e9584f83bd0c9dfbd8683077af5fbee1aa5d2076deeb6dfd83
Manifestbcefa72d7117a08536594da1bb14a5b30358cd0c5ff85d3baad1414d380f3aba

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
Signaturecyh/UKilIylplXwils388Aj3PrZ2phx6fwYzlg+0b1lrhnFSmG/9f1MsEob9YDkzXBpkiBvLu0ItKYUq8wf9CA==
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

2026-09-17T09:22:32.977580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103733
observed 3bbc2999da29b5e9584f83bd0c9dfbd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:32.960514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103733/manifest.json
observed bcefa72d7117a08536594da1bb14a5b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:32.942459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103733/publication.md
observed 74cf1ed58058430cecd35f6121ce253b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:32.926063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103733/publication.txt
observed a868de7631881e4ee63ff97fa3014df6...
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.