OpenTechnical

OT-2026-000080443

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, three stage ejector, sustained 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-2026-000080443) never changes.

Identity and time

Publication numberOT-2026-000080443 · never reused
Internal UUID01a0ae96-7e78-72b8-b28f-0a1e2f9bcdb1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080443
StatusPUBLIC

Content hashes

Canonical textd508fe8064aee6238b7302d773f99ef7b2071ce51f92e8e71a55206dcabdaa01
Markdown6f8de14266e63eff4242f2fa2f26bb279eccbdde3f2fdbb6f73c811106c7aa1e
PDF
Publication page24f62e031e10835a6fd223ea08369387f65a7a148bfee3bf8db12b72a9ef5f53
Manifesta50856a794310c2b4e7ab99e17af1025946b6daae99bf635b983a3dddb311727

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
SignaturePFnr4tnJPgKbnNxr3KWghp5g+ERQu76Oe6CeuVw+mj8HMnqnVcagp9GqGccPcI3f03qa24vnfRuKcGMeaUMeDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:02:57.449638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080443
observed 24f62e031e10835a6fd223ea08369387...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:57.431304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080443/manifest.json
observed a50856a794310c2b4e7ab99e17af1025...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:57.412948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080443/publication.md
observed 6f8de14266e63eff4242f2fa2f26bb27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:57.395952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080443/publication.txt
observed d508fe8064aee6238b7302d773f99ef7...
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.