OpenTechnical

OT-2026-000085040

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, sustained blow-off before 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-2026-000085040) never changes.

Identity and time

Publication numberOT-2026-000085040 · never reused
Internal UUID01a0ae99-43b8-7d5d-a94a-969d667ff0d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085040
StatusPUBLIC

Content hashes

Canonical text07e3299c6912a8c2143e6ef2a572ac572d3f53242196a3637e9955d4b95baf0e
Markdowncb0c636d78f500849224f6de7d6a02613b45fd53b51bff247990372766a1d80d
PDF
Publication page34bb3f0c4d90cec893fc2700ae77e647072e91ba257ae593b52aaf1d98efb2d2
Manifest8c1be2bc5da6d591a8e7cbc1347b392f5fa36ae2f3980f26a4c67174258566f6

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
SignatureNB1dYgvan3VDJr1QpkFnro8TwnjPZM1mGpS5yQFMnvpPi4FZwG2VOg0GeWm/bueCfh+WAPKN/+5m+hNwbDD8Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:55:03.370103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085040
observed 34bb3f0c4d90cec893fc2700ae77e647...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:03.353134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085040/manifest.json
observed 8c1be2bc5da6d591a8e7cbc1347b392f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:03.337079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085040/publication.md
observed cb0c636d78f500849224f6de7d6a0261...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:03.319943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085040/publication.txt
observed 07e3299c6912a8c2143e6ef2a572ac57...
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.