OpenTechnical

OT-2026-000067639

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, three stage ejector, pressure sensor per zone, pulsed 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-2026-000067639) never changes.

Identity and time

Publication numberOT-2026-000067639 · never reused
Internal UUID01a0ae8f-6bda-7c3c-9218-be49ca9cff2e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067639
StatusPUBLIC

Content hashes

Canonical text8d5d766014ca938b5669561b9ee91275af40c2f85506ee7e1e71777fd6e5d9ba
Markdown35ac3a8ebbadc6ff3b9d3037171b626b729b32891c748bf66ae015c26dbf6eb7
PDF
Publication page723ccf4b4a4544c125cd58d54d34b835f63e349cd4ddc6978ed875212bd93c02
Manifestcc9a37e6e63409a01754304b90e00cefee0c30c05fbf90694795c59b9baf2fef

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
Signature5kxMSchE7WmzveSWVmFBLy2U39ZOjogkJ55NfOfyCHtuB5y6lxutCvLV7zC+7nnWTObTYYdlgwRCeC6gWkq6Ag==
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

2026-09-17T10:31:57.928067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067639
observed 723ccf4b4a4544c125cd58d54d34b835...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:57.910897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067639/manifest.json
observed cc9a37e6e63409a01754304b90e00cef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:57.895657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067639/publication.md
observed 35ac3a8ebbadc6ff3b9d3037171b626b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:57.878859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067639/publication.txt
observed 8d5d766014ca938b5669561b9ee91275...
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.