OpenTechnical

OT-2026-000016115

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, 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-2026-000016115) never changes.

Identity and time

Publication numberOT-2026-000016115 · never reused
Internal UUID01a0ae6e-2d10-78b6-9beb-170739177130 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016115
StatusPUBLIC

Content hashes

Canonical text232544b56ca0d442a26619adc32b03210b1a020bb1a58536947a701879bed333
Markdown0b6a9b47c82f76991a7018eeb5cce48c479237e993ff64858489a94e067e7044
PDF
Publication page1fea3e4f7c7084431dbc4501576d04f25c5bba179797dc642236fa92a300438d
Manifest538d6871e662f643d6531dc1d3f1194510afa4743e894e78dfddb67f8502e38c

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
Signature/rMFD3A4tWYdml5uncYN3CcijROrPiq4nhTlEzknCorLF1c11bUgLoHwMQ5/M5ff9ApiWpJhiAhk8axCjNrlCQ==
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

2026-09-17T12:03:32.673186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016115
observed 1fea3e4f7c7084431dbc4501576d04f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:32.655096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016115/manifest.json
observed 538d6871e662f643d6531dc1d3f11945...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:32.639309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016115/publication.md
observed 0b6a9b47c82f76991a7018eeb5cce48c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:32.620458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016115/publication.txt
observed 232544b56ca0d442a26619adc32b0321...
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.