OpenTechnical

OT-2026-000081913

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, three 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-2026-000081913) never changes.

Identity and time

Publication numberOT-2026-000081913 · never reused
Internal UUID01a0ae97-0f76-7f5d-aa54-634c01f32a8e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081913
StatusPUBLIC

Content hashes

Canonical textf060975e4841f07410d322ef2a3f7965ff15c57b4564ef1e54e8bc6b9d041f71
Markdown4ff8c47dfe90a7b094cff3eab82f6e9770bee6a1b1cff049936731c3613eba2c
PDF
Publication page848abb3e26fb9bf94a6052d7bc83c59d9390d8b3b351c1e4052fa6b636556228
Manifest78f9a66a728c60eb1c65da9dba3008370ce355ddb31d52801c9b5d863768f19f

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
SignaturemqWOQKdum2aKxRRWZDh8V9BzLwYeaqOLh0OmY/J67Z5ZG9i1uCCVGgdU8Etc8OZlbRuT85JEFvdLXNb7Cc/2Cg==
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

2026-09-17T10:01:02.427724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081913
observed 848abb3e26fb9bf94a6052d7bc83c59d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:02.411076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081913/manifest.json
observed 78f9a66a728c60eb1c65da9dba300837...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:02.393811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081913/publication.md
observed 4ff8c47dfe90a7b094cff3eab82f6e97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:02.376520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081913/publication.txt
observed f060975e4841f07410d322ef2a3f7965...
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.