OpenTechnical

OT-2026-000052515

Publication integrity record

Foam pad vacuum gripper, two zone face, single stage ejector, supply line pressure sensor, 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-2026-000052515) never changes.

Identity and time

Publication numberOT-2026-000052515 · never reused
Internal UUID01a0ae84-573a-7aa4-9317-f8aba1d07398 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052515
StatusPUBLIC

Content hashes

Canonical text3860ff3739b47b43d2c41cfd417e6c689206a66529806e38c40785e1ef09d44e
Markdown12dbc629304778a84a16fbe1b17c92de561379f5b251cc1eae2eac95afc7b7e3
PDF
Publication page084462ab42ae38e46400eb6175c047b79915ca613941e527c2abfe5b62a05c55
Manifest0d5c6c7655de96d6db14d63005eb0fd2bfd119438ccdb49ad9b0f49c1377a015

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
SignatureuDgRJE3AUvo/3QhYjcqvKuoExwp0aWDPeJMyh9qBlPsDKsKo4l/riwbrFu3+tCRAgqMuYOdqjiB49Y5rePkpDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:09.467740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052515
observed 084462ab42ae38e46400eb6175c047b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:09.449970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052515/manifest.json
observed 0d5c6c7655de96d6db14d63005eb0fd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:09.431740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052515/publication.md
observed 12dbc629304778a84a16fbe1b17c92de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:09.414368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052515/publication.txt
observed 3860ff3739b47b43d2c41cfd417e6c68...
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.