OpenTechnical

OT-2026-000027319

Publication integrity record

Foam pad vacuum gripper, three zone face, pump fed, pulsed blow-off before set-down

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-2026-000027319) never changes.

Identity and time

Publication numberOT-2026-000027319 · never reused
Internal UUID01a0ae72-6997-7965-a0f5-66d084034211 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027319
StatusPUBLIC

Content hashes

Canonical text164d733ea44ca2dd4a02a1cb17b60094861eb211b5f706c578450dabce5b1f03
Markdownf896f30f252e54df091fe1b4c033abecf073f57b31be352938ffa7e228eba2da
PDF
Publication page089fd41892652649ae9fbe5af3c1f0fe1528d2e6129af000f9e8e072bd9a93e9
Manifestbc65f94e7a600e6da832affa425c1bca5b4d51fd31957a3818bec2890f174f55

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
SignatureLNt4HjW/BKQaxclFHe1nOwVGZ+nT5ACmvyuPXaOPyPvPjMS91hqGScPxWg4q2DBWZ/C8QCFZB4fhsphE6/zmDw==
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

2026-09-17T11:42:42.901608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027319
observed 089fd41892652649ae9fbe5af3c1f0fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:42.881940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027319/manifest.json
observed bc65f94e7a600e6da832affa425c1bca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:42.864447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027319/publication.md
observed f896f30f252e54df091fe1b4c033abec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:42.846369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027319/publication.txt
observed 164d733ea44ca2dd4a02a1cb17b60094...
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.