OpenTechnical

OT-2026-000061533

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump fed, vented 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-2026-000061533) never changes.

Identity and time

Publication numberOT-2026-000061533 · never reused
Internal UUID01a0ae8b-7b44-73a8-b1e4-0dde7d3bb371 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061533
StatusPUBLIC

Content hashes

Canonical text843590b10ca254388d50e5659ac376790e466a1daf8d3add1a407f691c04ecde
Markdown9a931e95df9518e9ede749c235f9a0aabbf3c44692682b8712561a210ee1b46f
PDF
Publication page2b6728b6a50da47da9854613999e4cd6c3732dd2311d6ac310a6320b4fe19cc9
Manifesta0c07114014109a62444e3d140f0e1e1a8ab086629a223dbc6dd7aadc5636fe0

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
Signaturey/nTBCTzKZVqFI48v27ngJgjtUZmxDYtQumkwqQ3KK3BnYW5Lzizk2Ph1/pDQhgJZZogKhbY34KzOJRf1UQKAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:26.369316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061533
observed 2b6728b6a50da47da9854613999e4cd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:26.351054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061533/manifest.json
observed a0c07114014109a62444e3d140f0e1e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:26.333750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061533/publication.md
observed 9a931e95df9518e9ede749c235f9a0aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:26.316507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061533/publication.txt
observed 843590b10ca254388d50e5659ac37679...
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.