OpenTechnical

OT-2026-000085648

Publication integrity record

Two bellows cup vacuum gripper, two zone face, pump fed, 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-2026-000085648) never changes.

Identity and time

Publication numberOT-2026-000085648 · never reused
Internal UUID01a0ae99-aaad-7b3a-890a-2ade78f3f947 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085648
StatusPUBLIC

Content hashes

Canonical text762c959dc1641f1727171e5aa37ed4c1a6dc46e6e5fa1146bb0be0310f32bb61
Markdown1f64c6d62b2e92cda516e34ffb1f1db0d35a18b3260e403261fd186b5a4db140
PDF
Publication page5b67d4b67fef5aae8e3b0c9f64418cdd6b069a3f8a4a27ef1294d558affd53d0
Manifestc570dcd85130ee4b03f8436c9b571a16fb9a939a7cf087baf509b8d9ca9b4a63

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
SignatureobXeX+FXykQM662anhHvqvynF3ZWtWcvXghmIDwADo9dZWlR2fj8eFON8i01I8znPexT5ROoHy4ZmziBoB31Dw==
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

2026-09-17T09:54:32.186505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085648
observed 5b67d4b67fef5aae8e3b0c9f64418cdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:32.170945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085648/manifest.json
observed c570dcd85130ee4b03f8436c9b571a16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:32.153626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085648/publication.md
observed 1f64c6d62b2e92cda516e34ffb1f1db0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:32.135983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085648/publication.txt
observed 762c959dc1641f1727171e5aa37ed4c1...
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.