OpenTechnical

OT-2026-000079704

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000079704) never changes.

Identity and time

Publication numberOT-2026-000079704 · never reused
Internal UUID01a0ae96-4375-781f-b4d1-97ac43fbc01e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079704
StatusPUBLIC

Content hashes

Canonical textcfcdb258b1275ad3128717a8611bb87cc07bec8ff28c304d943325bc2fd6ab1f
Markdown79bd35fd23848d346bb2f1a6d2d998171f70eff08ae150c9b2129d31dc53d992
PDF
Publication pageddcc7e9a2f627c26c6e162a5c239fa6e9a807a2cd41c1e17b4c98fabed2a3a22
Manifest60b18ecb329149f740e03040295fd67c5e8b854f8ba783b1e9839c1a25198859

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
SignatureeBUVJjgt3dV7aLbLBqjE43Ew3zmYGgGQEl4Cw3HIAS/AwqzSLoIJxglWu3x7VpAb5bDC1bMVFjJzoerlgSLrAA==
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

2026-09-17T10:03:28.739214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079704
observed ddcc7e9a2f627c26c6e162a5c239fa6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:28.719819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079704/manifest.json
observed 60b18ecb329149f740e03040295fd67c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:28.702154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079704/publication.md
observed 79bd35fd23848d346bb2f1a6d2d99817...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:28.683809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079704/publication.txt
observed cfcdb258b1275ad3128717a8611bb87c...
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.