OpenTechnical

OT-2026-000017215

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, three stage ejector, 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-2026-000017215) never changes.

Identity and time

Publication numberOT-2026-000017215 · never reused
Internal UUID01a0ae6e-76c7-7616-ba73-d78ba14b516c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017215
StatusPUBLIC

Content hashes

Canonical text0f286614808df5a939c17a8a08c506ae82303e440db517a5d157f7d1a9fcb338
Markdown5daf5d47a42c7cc4562ca6af82832f0dac20a6aab5bd49a5c091543b518b7c53
PDF
Publication page927c49b43cad501e0acfc67871f24f3dd867f2d0372805d7717cc8c913301e6b
Manifest6d566c0b23c90ecff422ed2e0b30b0ccc210a85c5e7dfe19e4ca3ab65e7dd563

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
SignatureslsVYMylPjdq+uIAhC5YxvZPHlKT+EQgLfgCTsheAVgKu+PAFf44Hae6YTzJCI/k9rRax9bwmMeUQXZq7+fYDw==
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

2026-09-17T12:02:17.512631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017215
observed 927c49b43cad501e0acfc67871f24f3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:17.493451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017215/manifest.json
observed 6d566c0b23c90ecff422ed2e0b30b0cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:17.472913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017215/publication.md
observed 5daf5d47a42c7cc4562ca6af82832f0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:17.455248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017215/publication.txt
observed 0f286614808df5a939c17a8a08c506ae...
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.