OpenTechnical

OT-2026-000081869

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, two 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-2026-000081869) never changes.

Identity and time

Publication numberOT-2026-000081869 · never reused
Internal UUID01a0ae97-0f75-7cd3-8ab4-e175051b87e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081869
StatusPUBLIC

Content hashes

Canonical textbf30d8c9ffc10625a7daa67cb06c7b91e460c9941ef3539874f22da965aa784e
Markdown1b1267156a0648d971e5bedbe1339fdde62a0f610b23237ca11f401ca1617cd4
PDF
Publication page3db9919c46972affa21089ee96628bd89e062e0741830326540610aeb00feb27
Manifest3e573aedec943dfa29e78cacc7af2f36fa8e2928f27beb067b8c1914f4b1211f

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
SignatureCniC8LSp8isleKbUF2g2TrR7g0Sc41EL+DiXr8uIxj9WWsn/Y23XNNnS8tL/LM3YtDSsbOK1cSumkCd5Q4YhBg==
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

2026-09-17T10:00:59.192231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081869
observed 3db9919c46972affa21089ee96628bd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:59.174430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081869/manifest.json
observed 3e573aedec943dfa29e78cacc7af2f36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:59.156363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081869/publication.md
observed 1b1267156a0648d971e5bedbe1339fdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:59.139108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081869/publication.txt
observed bf30d8c9ffc10625a7daa67cb06c7b91...
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.