OpenTechnical

OT-2026-000039940

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, 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-2026-000039940) never changes.

Identity and time

Publication numberOT-2026-000039940 · never reused
Internal UUID01a0ae78-d8d7-7bb8-9076-ac7d9f9357dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039940
StatusPUBLIC

Content hashes

Canonical text6a0642afee8021a04dbf801ea5a10ee8a9b9165edc9b04c8edaa5e2084297bcd
Markdownc5e53c3ce9d8f7a954606c51a7c918331377797cf1054c919b5c7bc5d2ad9b1a
PDF
Publication pagef2e86b8b103d115fa5edf390a0ac2ed90465d2e86af7cdbcfa37420b429e55d7
Manifesta0b49f4de31bd3a1b9565319f4c3d26cd2dfba62be4a84df8e4ad7cc6586510f

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
SignaturewgXfTauindmCclOkiPvCmsAZf7+l7SrCdb/SPWAMmET7blekbzHI3iQeR/LGtJZHNvkE7YV5QBwssP0uWLn7CQ==
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

2026-09-17T11:20:14.555006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039940
observed f2e86b8b103d115fa5edf390a0ac2ed9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:14.538540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039940/manifest.json
observed a0b49f4de31bd3a1b9565319f4c3d26c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:14.520643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039940/publication.md
observed c5e53c3ce9d8f7a954606c51a7c91833...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:14.501603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039940/publication.txt
observed 6a0642afee8021a04dbf801ea5a10ee8...
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.