OpenTechnical

OT-2026-000032507

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, pulsed 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-2026-000032507) never changes.

Identity and time

Publication numberOT-2026-000032507 · never reused
Internal UUID01a0ae75-106f-79e5-9251-a2e3f0592882 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032507
StatusPUBLIC

Content hashes

Canonical text13a724336e6e19b5a9dd4dbab3cc2599a57d7da891c69481e30ad9372b2f3c28
Markdown13901d790f72e18af388c93865c981613aa6bb21257fa8db56f2f9456373c973
PDF
Publication page43c6e826da26f79e2eb6d49bc9914732861a24a22670a3ba273b328c9e6bf6d7
Manifest70de070cbef55fec63833a1f6de770fc68c2ecc6ff29339322406a9a8366c0b3

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
Signature8c3f3qwxPj7vAQGGUTtZyybRPGyDNGGlBYfNIGOjbzrgfirUOcDmOQ2oCPL01Tk3cDxKrm5sF7I/Vkdi52tzAg==
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

2026-09-17T11:33:56.951348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032507
observed 43c6e826da26f79e2eb6d49bc9914732...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:56.931915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032507/manifest.json
observed 70de070cbef55fec63833a1f6de770fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:56.912013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032507/publication.md
observed 13901d790f72e18af388c93865c98161...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:56.893928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032507/publication.txt
observed 13a724336e6e19b5a9dd4dbab3cc2599...
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.