OpenTechnical

OT-2026-000023935

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, two stage ejector, pulsed blow-off before set-down, on a tool changer

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-2026-000023935) never changes.

Identity and time

Publication numberOT-2026-000023935 · never reused
Internal UUID01a0ae70-aed6-7c01-bd70-a44dc4c5f4fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023935
StatusPUBLIC

Content hashes

Canonical text9d57c48321efb4f3556e520b947bdcaa05008f6cf9d31d5ffb1c9fbbfce652e1
Markdownd12418201b52c570a514957c4db959fc68fdd9c9d3063a73a6d29fa73b17ae6b
PDF
Publication page99317ac0e88adb06ac932e132878283a71c72314ebd4368569616de600fb5c93
Manifest122435bf910aca5d508f5c229d33af5d404f2493c2b2921681f61789abcaea61

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
Signaturehc4MXPBM+NmIzLBnfhaXJ/d5g40d3AjJFq/33xU2DlMaQhXuLURq0pvNtwi0YV9zDtIrSh18xtzx0uVLb3g0Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:50:33.714101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023935
observed 99317ac0e88adb06ac932e132878283a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:33.695610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023935/manifest.json
observed 122435bf910aca5d508f5c229d33af5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:33.678071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023935/publication.md
observed d12418201b52c570a514957c4db959fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:33.661360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023935/publication.txt
observed 9d57c48321efb4f3556e520b947bdcaa...
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.