OpenTechnical

OT-2026-000067834

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, vented 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-2026-000067834) never changes.

Identity and time

Publication numberOT-2026-000067834 · never reused
Internal UUID01a0ae8f-c4fb-7294-9815-4c0032faa22e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067834
StatusPUBLIC

Content hashes

Canonical text497f968904c4199c78d40c5b2cf3646610c690ad79abc99b6dbbb1b4ed700360
Markdown48fdf188dc33f9e24627781dc259c9c018bc3a7a43240a806880e970a04c899c
PDF
Publication page816fb8d5afef26b94e94692642f7b36e2aa07e2dcde6e844654dc4bfc973651f
Manifestaf7222f390ca907fab1c58f8fa90193e58219df6fda7930ef3cfc1317dbdd0e3

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
Signaturez1KdRQkNtW29fIyQEP9RMKg7Y61P1p7gh17USza1z0OY8/2GASIGifY17BGb5In7d4sM9Ix7snTMDkT+quEMAQ==
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

2026-09-17T10:30:05.271578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067834
observed 816fb8d5afef26b94e94692642f7b36e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:05.252290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067834/manifest.json
observed af7222f390ca907fab1c58f8fa90193e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:05.231475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067834/publication.md
observed 48fdf188dc33f9e24627781dc259c9c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:05.212876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067834/publication.txt
observed 497f968904c4199c78d40c5b2cf36466...
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.