OpenTechnical

OT-2026-000038291

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single 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-2026-000038291) never changes.

Identity and time

Publication numberOT-2026-000038291 · never reused
Internal UUID01a0ae78-2d51-7a23-876a-1b0d05e4d00a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038291
StatusPUBLIC

Content hashes

Canonical text2563d88b00779ea4ffc7c232e1b548a01c65eb92cf4418a56c3c200be312c6ea
Markdown18bd7630dd2363902b792c139da0bb0f231eb762ecbd7c02df8a7989fdf8d7cf
PDF
Publication page0f7ee6923e13f68f1d85e3af48df3a1bc92ff00cfd41975ca2e8ebec081890b0
Manifest84207140ed6e96299c46514c984d6d75019577f34ce1f49ba51a858719ccbba6

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
SignatureEgbxWh7y3vq9vG0EzpsaBcbJ1rJ7BBS9umM0AKNUBjlQZoZ52ePXmsU9jUXNnJGO3rtv4fRdLplur+2bdRiOAw==
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

2026-09-17T11:22:27.482707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038291
observed 0f7ee6923e13f68f1d85e3af48df3a1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:27.462629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038291/manifest.json
observed 84207140ed6e96299c46514c984d6d75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:27.443560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038291/publication.md
observed 18bd7630dd2363902b792c139da0bb0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:27.422017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038291/publication.txt
observed 2563d88b00779ea4ffc7c232e1b548a0...
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.