OpenTechnical

OT-2026-000006686

Publication integrity record

Porous face vacuum gripper, two stage ejector, contact triggered, sustained blow off before 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-2026-000006686) never changes.

Identity and time

Publication numberOT-2026-000006686 · never reused
Internal UUID01a0a963-e972-7c7a-84d4-90e644efa3cb · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:44:52.468946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006686
StatusPUBLIC

Content hashes

Canonical text419194141de44d2be033943b632a5d29889508e8528cbc82ce27186e1d2ce2fb
Markdown88f3eb989275773ab7293d8abe9cf32735a2d36f1666936cb873fd2540bbf535
PDF
Publication pagecb14abe8b011a7c36327273fb00a07c6de9b34994521ef37e9448358a540eb96
Manifestecb71ceace6d29ec58036f50403204407f9bd1578b1da6aec242fa3579594099

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
Signatureho7ZCDHTDk9qeI4Khp6Xz9xLwJffrNZPFTISCv96gJtkViHsCSVsNxm+ia9+PqaoAQ3KkskcasHH+yl9mfLFDQ==
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

2026-09-16T08:50:17.410903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006686
observed cb14abe8b011a7c36327273fb00a07c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:17.397970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006686/manifest.json
observed ecb71ceace6d29ec58036f5040320440...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:17.384238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006686/publication.md
observed 88f3eb989275773ab7293d8abe9cf327...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:17.245535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006686/publication.txt
observed 419194141de44d2be033943b632a5d29...
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.