OpenTechnical

OT-2026-000006979

Publication integrity record

Porous face vacuum gripper, ejector fed, pressure verified at each zone, closed cell

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-2026-000006979) never changes.

Identity and time

Publication numberOT-2026-000006979 · never reused
Internal UUID01a0a96e-6006-767c-9dac-8e87314943d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:56:18.184968Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006979
StatusPUBLIC

Content hashes

Canonical text57aff2cc0ec2c633ee8702dbd96748215d6b43409df5618f820fa28ddf048493
Markdown75e09ac9ac931819e16b23a76ceeed617a15b58993c0f5738525f1956df5e0c6
PDF
Publication page73524bc4044716d599239775ab769469643115f2aca5d08220a2bc667930cc54
Manifestce3a482c68ef80ac60b344cbfcaed7397c80c2187d1f808278fbdf5c56ff86c1

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
SignatureaqTpi7bbIanY0sz1A5kjEEDTCcAqbCT10jhZakrgyqybJMpQTSHDCjls6iPjC0FcRBnHHOLzXzvxvqPWusmiBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:15.444259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006979
observed 73524bc4044716d599239775ab769469...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:15.431419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006979/manifest.json
observed ce3a482c68ef80ac60b344cbfcaed739...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:15.416396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006979/publication.md
observed 75e09ac9ac931819e16b23a76ceeed61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:15.402499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006979/publication.txt
observed 57aff2cc0ec2c633ee8702dbd9674821...
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.