OpenTechnical

OT-2026-000081707

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, 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-2026-000081707) never changes.

Identity and time

Publication numberOT-2026-000081707 · never reused
Internal UUID01a0ae97-0f73-79c6-b4f4-4458114831c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081707
StatusPUBLIC

Content hashes

Canonical textce0a14077b4a12cf42bb2986ce37518e0bdfa1594bc015a4b518009db219c724
Markdowne3fbb2c6ae5a707e5edbaf811106782a91e3a6a87515d33ccc56c6a84b653885
PDF
Publication page4607538819da122d95be056f6a16500c53c7210a73113747d5baaff6a86b71a2
Manifest51f9b39f56edf03c4516349d1919a7a60b4cfa30708e137890a6247b594363b9

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
SignaturelGbtBJuXlR0DOGFIJbgzhLKWQ2R7dCTa++1ZBmScb8xAU41wBZFNzCXJQ6jYttBWW3HH5t22R5NZ0NUA95voBA==
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

2026-09-17T09:59:46.689716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081707
observed 4607538819da122d95be056f6a16500c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:46.671882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081707/manifest.json
observed 51f9b39f56edf03c4516349d1919a7a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:46.652728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081707/publication.md
observed e3fbb2c6ae5a707e5edbaf811106782a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:46.634351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081707/publication.txt
observed ce0a14077b4a12cf42bb2986ce37518e...
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.