OpenTechnical

OT-2026-000015360

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, pulsed 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-2026-000015360) never changes.

Identity and time

Publication numberOT-2026-000015360 · never reused
Internal UUID01a0ae6d-ef49-7d94-9867-5b65b32eb4ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015360
StatusPUBLIC

Content hashes

Canonical text9bcedbd231615b857e3bcb1dcdd1a53c135b50d8b009d3c4098638aa857ab217
Markdown631f5915b377ca92b5952c14285c59f2e94525d99c6b898eb71383560d722401
PDF
Publication page632a835c37ee01c1e4bb09b33d7f39b8daeff733720199745e4c62c7d47b1cd3
Manifest4a54f98e52f9fbfd585e4fbf099cd587bfe7d5edfc1ec0f1809982ab7528404a

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
SignatureyJoPgNr+mu99370fI046t0nZD9H0OzegPXExwZbizj9f+FVzxDN05ouLmXsR7xxnQz6yN+w0zvpu8RktibapBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:06:04.186267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015360
observed 632a835c37ee01c1e4bb09b33d7f39b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:04.166515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015360/manifest.json
observed 4a54f98e52f9fbfd585e4fbf099cd587...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:04.147257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015360/publication.md
observed 631f5915b377ca92b5952c14285c59f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:04.126777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015360/publication.txt
observed 9bcedbd231615b857e3bcb1dcdd1a53c...
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.