OpenTechnical

OT-2026-000007900

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000007900) never changes.

Identity and time

Publication numberOT-2026-000007900 · never reused
Internal UUID01a0ae6a-908a-7196-b53f-914148bf9789 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007900
StatusPUBLIC

Content hashes

Canonical text5cc63735a161dec16209541d60c39010d2c0c2038b8f2fe3ef687b2f7b5980f9
Markdown8faf7fc360bfb090f721a1220315792d34cd4074d1fd4c2eafbbe348f097e307
PDF
Publication page760f89adf4edec4b569d67bc6526f39c54f7e7a6bd7cdca355507ef2d66b4081
Manifest42247fb4d296beef335f96976e6b07ae342bc34c1dcbcd6bd1e18800d642a3c7

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
SignaturemrAlbJPEc8UqVyUChB+nvVGBBs8z7qCj+ElTdmlbVuRO5ri7KUCfPdd1BRgJSrpEMpD2kanRV5ZFp34PmnijCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:21.928562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007900
observed 760f89adf4edec4b569d67bc6526f39c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:21.906809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007900/manifest.json
observed 42247fb4d296beef335f96976e6b07ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:21.886948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007900/publication.md
observed 8faf7fc360bfb090f721a1220315792d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:21.865811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007900/publication.txt
observed 5cc63735a161dec16209541d60c39010...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:00.569375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007900
observed 760f89adf4edec4b569d67bc6526f39c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:00.550662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007900/manifest.json
observed 42247fb4d296beef335f96976e6b07ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:00.533016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007900/publication.md
observed 8faf7fc360bfb090f721a1220315792d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:00.513599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007900/publication.txt
observed 5cc63735a161dec16209541d60c39010...
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.