OpenTechnical

OT-2026-000050875

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000050875) never changes.

Identity and time

Publication numberOT-2026-000050875 · never reused
Internal UUID01a0ae82-c7b2-79b4-873d-5fa381716189 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050875
StatusPUBLIC

Content hashes

Canonical text07e5dbe820d29159d00aade78dcbd2e4e4a761633205173a0af2860b046d973f
Markdownb302cee6ed18ecd33e7df48e3ab94fe2c0d0c48db0566be76c7795e71621ec65
PDF
Publication page755580014f54175a3041c47c003bd474502b8dda10e058ed5438fe75f4926b0d
Manifest0c32243b1cff145f9efed48a64ad14bf16961abbcec75f95e0ca35398260a4c7

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
SignaturepZFVoMwoO4Lll8TbGLWYmYGcC6sKt/dyAHjqsnFl5B7A1GljewhRA+s5bMXsn3u4iFwctPQHsSgnVlMrLLRfCQ==
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

2026-09-17T11:00:36.275107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050875
observed 755580014f54175a3041c47c003bd474...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:36.254655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050875/manifest.json
observed 0c32243b1cff145f9efed48a64ad14bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:36.234032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050875/publication.md
observed b302cee6ed18ecd33e7df48e3ab94fe2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:36.219504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050875
observed 755580014f54175a3041c47c003bd474...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:36.213471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050875/publication.txt
observed 07e5dbe820d29159d00aade78dcbd2e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:36.199401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050875/manifest.json
observed 0c32243b1cff145f9efed48a64ad14bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:36.182173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050875/publication.md
observed b302cee6ed18ecd33e7df48e3ab94fe2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:36.161089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050875/publication.txt
observed 07e5dbe820d29159d00aade78dcbd2e4...
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.