OpenTechnical

OT-2026-000007395

Publication integrity record

Vacuum cup gripper, two stage ejector, pressure verified, vented after set down, rubber cups

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-2026-000007395) never changes.

Identity and time

Publication numberOT-2026-000007395 · never reused
Internal UUID01a0a97d-3dda-7e5e-9274-70d59a1d5008 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:12:32.477247Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007395
StatusPUBLIC

Content hashes

Canonical text1cadef821464b0a8ad9d29873e2d36b4637851fd13b77cda83db5a76a29e20a2
Markdown64d148c8c9121f37df51d3e31110eea8193834dcd8c170883f7bcf575ed6881f
PDF
Publication page71497ffda8ea2bc15e275d79d90b3bea523691eeb437a1a7d10f3efd7a3ed1fb
Manifestecf732d5fa5fecfae05de280eb01997472f713facd7a72f83664a9f5ba5b1f29

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
SignatureG9POERUolfkPj8boX1+jwa6hq39mPNylDm61m7DPOCrEeu6ULpwVNNvKHTEWpys8JXkQrV2otJPyZNsrnUTrCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:20:07.810505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007395
observed 71497ffda8ea2bc15e275d79d90b3bea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:07.796043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007395/manifest.json
observed ecf732d5fa5fecfae05de280eb019974...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:07.782612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007395/publication.md
observed 64d148c8c9121f37df51d3e31110eea8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:07.767281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007395/publication.txt
observed 1cadef821464b0a8ad9d29873e2d36b4...
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.