OpenTechnical

OT-2026-000020536

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000020536) never changes.

Identity and time

Publication numberOT-2026-000020536 · never reused
Internal UUID01a0ae6f-437c-7c88-b18d-04901e5c5ff3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020536
StatusPUBLIC

Content hashes

Canonical text33a9c209076cd6511a00ed18fc1d64a68359f4c3ecdf3f2e79041a236385646b
Markdownbc28bd062cdb44ef8f17c76739e70847b3042e67740a2892237e6a38f806d67a
PDF
Publication page5c1545302e3c705571d3878b625ffc393e5c726f083bed0b5e02ef11454763a9
Manifestdda27b112497174c1517c1a85c0ce1a79f4e505a0d742e450dd89e8d6c177491

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
SignatureVXacwz7fMNuSnWKQi4zVx0UGzoGQ7AHiK9XpZxChI0tgtk0DcXguB9FoBXN4PU8mWhIMSNxgawWhaMlsCwV/Cw==
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

2026-09-17T12:00:31.077427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020536
observed 5c1545302e3c705571d3878b625ffc39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:31.056857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020536/manifest.json
observed dda27b112497174c1517c1a85c0ce1a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:31.038273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020536/publication.md
observed bc28bd062cdb44ef8f17c76739e70847...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:31.018395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020536/publication.txt
observed 33a9c209076cd6511a00ed18fc1d64a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:33.605384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020536
observed 5c1545302e3c705571d3878b625ffc39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:33.585748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020536/manifest.json
observed dda27b112497174c1517c1a85c0ce1a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:33.566401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020536/publication.md
observed bc28bd062cdb44ef8f17c76739e70847...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:33.546642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020536/publication.txt
observed 33a9c209076cd6511a00ed18fc1d64a6...
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.