OpenTechnical

OT-2026-000026532

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, sustained 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-2026-000026532) never changes.

Identity and time

Publication numberOT-2026-000026532 · never reused
Internal UUID01a0ae71-f4a9-7654-8cac-dc4f55610912 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026532
StatusPUBLIC

Content hashes

Canonical text53946440723d3aabd9cb0317d13e0d217d4680074493a61fb106d750b281ddb2
Markdownffde30ca064766a89097fc093a5819dffe8ca6350bc82c2e515950c831d4a945
PDF
Publication page07a301d4bfb0ff7cd9211c4138e27483a3f3f808fcab94ab7244760e73fc119c
Manifest7f7a8bc591db97f9c675706aefa96751ed0334407e02ce2cf0ab8b2cfeedc797

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
SignaturesOp5nZsltS78/8+njuao0navNz2TSX6lSIAPnGOhCJL+vS7IJ5QQLo3DPNIVCYuZ7FhKwbOg95AI/s7rt/MzDA==
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

2026-09-17T11:44:39.706529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026532
observed 07a301d4bfb0ff7cd9211c4138e27483...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:39.689503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026532/manifest.json
observed 7f7a8bc591db97f9c675706aefa96751...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:39.671679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026532/publication.md
observed ffde30ca064766a89097fc093a5819df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:39.654218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026532/publication.txt
observed 53946440723d3aabd9cb0317d13e0d21...
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.