OpenTechnical

OT-2026-000032827

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six 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-2026-000032827) never changes.

Identity and time

Publication numberOT-2026-000032827 · never reused
Internal UUID01a0ae75-4842-7388-84b0-a1d83bf6c9c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032827
StatusPUBLIC

Content hashes

Canonical text9a9958129df5db3d0d7561b3b58c688b966a79d39569b18730146912273fdbe6
Markdown6fcb7a8030501eca24a3363c4d0d669f983f6742cbcdc0e94055ea0a9b2297ee
PDF
Publication page2856c9246b8b28e1187c850e9f81efcf16b8b09721841f644fc2c4a03280e572
Manifest867bbfe6e266539ac67dea2ce41636fe615545344e74b4c0984ec259eda26baa

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
Signature1OhHa/LZIoA1jwRwNimFnak8JFn21MoWSv9i70pLFWmsQLR4zVWa0/oHcgvgm215ZKUiDktNT9rvV6sGPwLdBg==
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

2026-09-17T11:32:17.007338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032827
observed 2856c9246b8b28e1187c850e9f81efcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:16.988235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032827/manifest.json
observed 867bbfe6e266539ac67dea2ce41636fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:16.969377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032827/publication.md
observed 6fcb7a8030501eca24a3363c4d0d669f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:16.952788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032827/publication.txt
observed 9a9958129df5db3d0d7561b3b58c688b...
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.