OpenTechnical

OT-2026-000006668

Publication integrity record

Vacuum cup gripper, ejector fed, contact triggered, pulsed blow off 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-2026-000006668) never changes.

Identity and time

Publication numberOT-2026-000006668 · never reused
Internal UUID01a0a963-4c43-7fc1-81a3-0c445a8574ae · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:44:12.230644Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006668
StatusPUBLIC

Content hashes

Canonical textc41e2a2f3758ba13438092b7b84e4cdfa525ad50f28f0b2337ffccb0ea11749a
Markdown7242919c818b07ea9bd785f5f3d29b7b7d8395b2b4e168c0858556210b1b0da4
PDF
Publication page8c80c3f60c93db5bd4128566dbef75a8f69f3cc98bf5c62865e05aa1813f43ce
Manifest2ed73e349d18c2611438624f88d602476f340322bce5204e9048cd225434c296

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
SignaturenDltKp4ExOd929LQzrGorOUN7FwuxnTz0ZLQGV7ZFrFUBTenGx4VmVeX8oN4903z9CGAdqoMURkxi14jDwrbCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:50:19.398516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006668
observed 8c80c3f60c93db5bd4128566dbef75a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:19.386252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006668/manifest.json
observed 2ed73e349d18c2611438624f88d60247...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:19.251718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006668/publication.md
observed 7242919c818b07ea9bd785f5f3d29b7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:19.239101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006668/publication.txt
observed c41e2a2f3758ba13438092b7b84e4cdf...
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.