OpenTechnical

OT-2026-000090214

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six 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-2026-000090214) never changes.

Identity and time

Publication numberOT-2026-000090214 · never reused
Internal UUID01a0ae9c-428f-7993-a026-0a3bd6279790 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090214
StatusPUBLIC

Content hashes

Canonical text650d1328875980c377275010c0dee34d5b8b5fa84f73287f7d0d9961c38b1595
Markdown1f0ec3c0486cd1cd136f8dba41f0464a7a5e197d6de68a7b85f4b0d6bd716c03
PDF
Publication pagee7d0cb1307e57d2b94a88a07fe44ae44d486f91d19260df1e3c2142dc78a99ee
Manifestc0fd16bbe814ff53889ca182f92535e4bcc644cd4f699ac03de3e8a0eb42236f

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
Signature8pvQb9MBHrpscL5ta8wWcOMm/3UTMibjoVO6eIDnqjRYeAHMqQjOKZw/SUGUI41GWdyDxM6NQPPywlRM3pNhAw==
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

2026-09-17T09:46:17.382973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090214
observed e7d0cb1307e57d2b94a88a07fe44ae44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:17.367273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090214/manifest.json
observed c0fd16bbe814ff53889ca182f92535e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:17.351781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090214/publication.md
observed 1f0ec3c0486cd1cd136f8dba41f0464a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:17.334319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090214/publication.txt
observed 650d1328875980c377275010c0dee34d...
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.