OpenTechnical

OT-2026-000075556

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, supply line pressure sensor, vented 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-2026-000075556) never changes.

Identity and time

Publication numberOT-2026-000075556 · never reused
Internal UUID01a0ae94-29fc-72c2-9392-1aaa49ef635f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075556
StatusPUBLIC

Content hashes

Canonical text2db911d7279c6676ec32eac7dbc479b3a21ac5dcaac2bf01e95743a5148e973f
Markdownd007a6c777617c97baa81b8a4f99191e188649b920139e6fdd07738cb9475594
PDF
Publication page20e5cefab04f66dd9ad73aceabd011eca821b8b4ba564f90263e98180ff9afbe
Manifestd607f96cf298e358fbefb03ef80e73218dc3a89d6a62a438c29960e0047028c8

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
SignatureruWppwXYMjrLZWRU4d0+iYLuAEDN1YjjvgOdUPiMJ8nOI7bnqx8szxJ+dLVHTdiuuGLf+fEnvo2OpHERYg9zDQ==
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

2026-09-17T10:13:07.031762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075556
observed 20e5cefab04f66dd9ad73aceabd011ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:07.013194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075556/manifest.json
observed d607f96cf298e358fbefb03ef80e7321...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:06.994163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075556/publication.md
observed d007a6c777617c97baa81b8a4f99191e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:06.550650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075556/publication.txt
observed 2db911d7279c6676ec32eac7dbc479b3...
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.