OpenTechnical

OT-2026-000006742

Publication integrity record

Bellows cup vacuum gripper, pump fed, pulsed blow off before set down, plastic 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-2026-000006742) never changes.

Identity and time

Publication numberOT-2026-000006742 · never reused
Internal UUID01a0a965-d392-7780-8f2b-a481c7fe20c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:46:57.941025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006742
StatusPUBLIC

Content hashes

Canonical text938619c96f9e0d1f666c34a6ee23f549f7a720e21d42c30c5a46c8550c7991c8
Markdownec5cac4b723596fc9fbecec69f9ef6f638797ae0071597150ed2ac8024acc63d
PDF
Publication pagef4a795f738cea90287339ca414ee642bf9b64e45c60a25ea8dec7c1f87ab9d5e
Manifest7b888a50fba1cd10fe3480dbf318e96dd32c90c8e49d061ee0f0196a0b8c02d7

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
Signature1h/9X0TF7eKgXldBMFp6AIr9F9zwZwgmEVivuNQlWrp6zMTVtIiu6lNRHUi2mhn6upGnuRK6PyC1aktsQVvBBg==
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

2026-09-16T08:50:11.242180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006742
observed f4a795f738cea90287339ca414ee642b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:11.228608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006742/manifest.json
observed 7b888a50fba1cd10fe3480dbf318e96d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:11.215846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006742/publication.md
observed ec5cac4b723596fc9fbecec69f9ef6f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:11.202623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006742/publication.txt
observed 938619c96f9e0d1f666c34a6ee23f549...
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.