OpenTechnical

OT-2026-000095102

Publication integrity record

Three cup vacuum gripper, three zone face, three 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-2026-000095102) never changes.

Identity and time

Publication numberOT-2026-000095102 · never reused
Internal UUID01a0ae9f-2df1-7ccb-9f34-712a3c174c34 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:42.715218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095102
StatusPUBLIC

Content hashes

Canonical text3d683f26dd65b34c5c69ae344f84dc5c07df36a9b4740ffcb383cfc79e4ca4c9
Markdown19156449f759da70277398393eb0bc480f9e25441353b0a4eed215aa8cae23bf
PDF
Publication pageb2472d7ae1f51c623ab03f41f0705f6fa9cc492453eb525b4966452255a670c8
Manifest0d70124d63212dfebd25ba84949df4f42f260f471e1bc66e4396b0729d588c41

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
Signature5wNELtw5yZ8grNoaQxHtACpd3u32wsY6raKPUOHh5aBssfR5IQX/+tu8ErHBY0VyBEb4B3lfQrCHduKb5nKUDw==
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

2026-09-17T09:37:42.677484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095102
observed b2472d7ae1f51c623ab03f41f0705f6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:42.660486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095102/manifest.json
observed 0d70124d63212dfebd25ba84949df4f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:42.641920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095102/publication.md
observed 19156449f759da70277398393eb0bc48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:42.622024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095102/publication.txt
observed 3d683f26dd65b34c5c69ae344f84dc5c...
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.