OpenTechnical

OT-2026-000062394

Publication integrity record

Foam pad vacuum gripper, single stage ejector, vented after set-down

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-2026-000062394) never changes.

Identity and time

Publication numberOT-2026-000062394 · never reused
Internal UUID01a0ae8c-0abf-720b-adf9-d7e8e11896ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062394
StatusPUBLIC

Content hashes

Canonical textcd97fc2c16b233dcb2d1bdb173458636fd87480d25264e7c7032552091a52dcf
Markdown9315a8a629a921f04d683b18da12bdf46d779f8e7cbd3f646d535d94afd22ad8
PDF
Publication page4257b7f86fe8f220a49c3ecc363a830d551a7b7c249913a3364cd150da155bf4
Manifest908892c2a1c9604b7522469e68a6ad1b066fef76e48421b3e556a5ef98f4c44d

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
SignaturePortnZCmnJ7MmVMmQGlpjAQrG2sl+j/wmv44hOujEsALmZ606BCnutm3J6iLn1QkYEC3m7jk+CMz/te6NqzbDw==
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

2026-09-17T10:39:43.130452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062394
observed 4257b7f86fe8f220a49c3ecc363a830d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:43.112014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062394/manifest.json
observed 908892c2a1c9604b7522469e68a6ad1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:43.094085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062394/publication.md
observed 9315a8a629a921f04d683b18da12bdf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:43.074673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062394/publication.txt
observed cd97fc2c16b233dcb2d1bdb173458636...
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.