OpenTechnical

OT-2026-000006642

Publication integrity record

Vacuum cup gripper, three outlet manifold, two stage ejector, sustained blow off 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-2026-000006642) never changes.

Identity and time

Publication numberOT-2026-000006642 · never reused
Internal UUID01a0a962-68bf-7e73-bbe5-68432e175c1e · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:43:13.986425Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006642
StatusPUBLIC

Content hashes

Canonical text885ccbee3244ae5106dd2484da7a7b1a9340fef94c50bc2fbf305157243c7481
Markdown3952e078f5283c0bf33368be0e0d284bb6863fa7b69b3091dded50abc4332ef8
PDF
Publication page1c9f6ce4242554bef1d6423aadb575509fe572bff46cdc9efa99d3db9305d4ea
Manifest81a657ff1fc3f8094ac5d4254b71803d94a3833539fdc1c948752d211b8973e3

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
SignaturejjyYqnzBZLiN3lNSGETIPsKVY+Fd/ib/CfwFzYn/NRPCK/vADHkVw4iIDqm0fgN/gjE8PmWTAaHI9jg+LfI/Aw==
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

2026-09-16T08:50:22.147728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006642
observed 1c9f6ce4242554bef1d6423aadb57550...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:22.134830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006642/manifest.json
observed 81a657ff1fc3f8094ac5d4254b71803d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:21.994569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006642/publication.md
observed 3952e078f5283c0bf33368be0e0d284b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:21.983324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006642/publication.txt
observed 885ccbee3244ae5106dd2484da7a7b1a...
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.