OpenTechnical

OT-2026-000083271

Publication integrity record

Two bellows cup vacuum gripper, two zone face, 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-2026-000083271) never changes.

Identity and time

Publication numberOT-2026-000083271 · never reused
Internal UUID01a0ae97-c963-7900-b655-853c796615ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083271
StatusPUBLIC

Content hashes

Canonical text15f81100336ba25db2113e37fa171af783efbf38a245fae22ff6376e1b3e5b8a
Markdown81992bace52f42dce1cfc96b9f4d8965c38a4a3390fea36b6753edbd6be9034f
PDF
Publication pageadb4d69d11ee6464e62029fb7ba3b07fe0e23ba537b24004fe2cfc90be6f8322
Manifest9d4e7861b8a2e19297dfd3640947d93431b0ca31d1dc3f90793e440a6f258de9

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
SignatureM+RjBzqaD6Ydget66E7Dd92EPETPfh6cj4rKpzinwf0hstX7Ak0Zr8+iuBiCjmhSL7mOjqghbrBKXoaaGfy4BQ==
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

2026-09-17T09:01:22.362014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083271
observed adb4d69d11ee6464e62029fb7ba3b07f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:22.334428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083271/manifest.json
observed 9d4e7861b8a2e19297dfd3640947d934...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:22.313222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083271/publication.md
observed 81992bace52f42dce1cfc96b9f4d8965...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:22.170139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083271/publication.txt
observed 15f81100336ba25db2113e37fa171af7...
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.