OpenTechnical

OT-2026-000008861

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, 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-2026-000008861) never changes.

Identity and time

Publication numberOT-2026-000008861 · never reused
Internal UUID01a0ae6b-31b7-784d-a4bb-cc3e4668e545 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008861
StatusPUBLIC

Content hashes

Canonical text1ee80693310bb33ac929897fc14eb290b0eac54553fe3c3e2e304ba57a4c4a03
Markdown447e766883b246b07f4f7056012b3dc6949321d7cf6de2a8a659e2a3d7c3d2a1
PDF
Publication page7564842e3a83fec74589fd1b4cd72fdf6db39de67470a2586e4c59ff460e8af0
Manifest6c7611fd67affc298cdb0e5f8cb55517e4752c0669f6e6c12575ef8d81104a14

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
SignaturewggmTEZPtXGzdK1qgvX8WjwtkSiI/BPAPZ2wiTFpnukuD34E5Ol2EJSJjEGSWKKGpIPbJio0z1DcDvsBJDFhDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:26.819071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008861
observed 7564842e3a83fec74589fd1b4cd72fdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:26.803194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008861/manifest.json
observed 6c7611fd67affc298cdb0e5f8cb55517...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:26.784370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008861/publication.md
observed 447e766883b246b07f4f7056012b3dc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:26.764807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008861/publication.txt
observed 1ee80693310bb33ac929897fc14eb290...
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.