OpenTechnical

OT-2026-000030439

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, 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-2026-000030439) never changes.

Identity and time

Publication numberOT-2026-000030439 · never reused
Internal UUID01a0ae73-e503-7f22-9ddc-13b7598750ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030439
StatusPUBLIC

Content hashes

Canonical textaedfedf5d6394d1c2e92d8b32314e0e2cc0c6990ae00b84d54267391061487aa
Markdown6017bdabdf610ddcbd95e96c0d470281078028b57c9bfc11eb62b42ef7cf26f5
PDF
Publication page4429f2f109b77a7200b73002dbd4e71df213cbff7bcdb1ae8588256b91657920
Manifest4c884abf2ef9e4cee159bf7ccbaec40317d9c5d5a7282baae4b7c9448e74b3ba

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
SignatureNwS3Vnt1bNIAij94QKpprr1u7cGjl1US9Xc7EKUe8T5KbKIa653y6je8s7H5/8xsUFm6XkGuAT9LgYbji5/qDQ==
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

2026-09-17T11:38:10.787378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030439
observed 4429f2f109b77a7200b73002dbd4e71d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:10.769867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030439/manifest.json
observed 4c884abf2ef9e4cee159bf7ccbaec403...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:10.752389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030439/publication.md
observed 6017bdabdf610ddcbd95e96c0d470281...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:10.728375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030439/publication.txt
observed aedfedf5d6394d1c2e92d8b32314e0e2...
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.