OpenTechnical

OT-2026-000102101

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, pulsed blow-off after 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-2026-000102101) never changes.

Identity and time

Publication numberOT-2026-000102101 · never reused
Internal UUID01a0aea4-50f2-7f12-a419-a532efa62a3e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102101
StatusPUBLIC

Content hashes

Canonical textfa3050b34d51ad26ef21644650e6c2168c227752b077ec788bbcbab95595d945
Markdown9f219731cfb103a07af6a2473ed68fdabdfd5b909710af9f413d0f581c9513b5
PDF
Publication pagedf1a73c85e530a7b6e0ae07bb8bc077aeca0ea418fe10012e5818fda4a7b7f4f
Manifest448cc6d5ff650aa14c029078217b294395d10a1c30dfca697c94ef3efa7469c7

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
SignatureB5kLyqkBnjT+6yPlH2vGG4RPCzsjGfNXJW58Lo1AXC0D1QX6sVkZTIuyl78fVHtV0kYt5jGhCLYhGwoNuxUfBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:15.012816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102101
observed df1a73c85e530a7b6e0ae07bb8bc077a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:14.995199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102101/manifest.json
observed 448cc6d5ff650aa14c029078217b2943...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:14.975336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102101/publication.md
observed 9f219731cfb103a07af6a2473ed68fda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:14.956690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102101/publication.txt
observed fa3050b34d51ad26ef21644650e6c216...
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.