OpenTechnical

OT-2026-000081657

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, two stage ejector, sustained blow-off before 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-2026-000081657) never changes.

Identity and time

Publication numberOT-2026-000081657 · never reused
Internal UUID01a0ae97-0f73-7b8c-93f1-3458d41cd49f · 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-2026-000081657
StatusPUBLIC

Content hashes

Canonical textf4604e9a9ff7b1b4834b5a60ce8ecb460ea44028d1bed7d26255dc1dc690a405
Markdownf02a4cce9716c40c62dbc74f5af7a8baa65660a6e04eaa1a7ed5d0c7b690fea1
PDF
Publication pageb058917927702dd216c9a618025a3dcd603e6b7040383d91145f82d0baba9e0d
Manifestacd52c360ecbec31fda824a28e7005abce4d01d7faf04ba731d19baa5a6c396a

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
SignaturelqFsADVdOJC1vlAXXSdMktEXqNjqty4yL1Imy+1CM/ud71GVbN7LFTXcnLieeGfZYsMSdsXkSOMrcPTVXZ+tAA==
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

2026-09-17T09:59:42.714360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081657
observed b058917927702dd216c9a618025a3dcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:42.697118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081657/manifest.json
observed acd52c360ecbec31fda824a28e7005ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:42.680103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081657/publication.md
observed f02a4cce9716c40c62dbc74f5af7a8ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:42.664282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081657/publication.txt
observed f4604e9a9ff7b1b4834b5a60ce8ecb46...
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.