OpenTechnical

OT-2026-000102687

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, pulsed blow-off after 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-2026-000102687) never changes.

Identity and time

Publication numberOT-2026-000102687 · never reused
Internal UUID01a0aea4-858b-78d0-b551-aa3d47f20177 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102687
StatusPUBLIC

Content hashes

Canonical text886351abef42ed0075833f6a13b8a95473bc8df8a4adaf4f5208f0285bcc1ffc
Markdown14f7d48e16099067900d6896381fd4d1739c3504f2275c40837d91b7cb6c0c4f
PDF
Publication pagef88659447ca3e7c303eddc934388986857ab9e1dc3316facc1d3653f17ab655f
Manifest7c75f05915308ea9bf70c42ac085a9d8743bc78fead6fac2c9a0e0ca102a820e

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
SignaturePJ7O8yp8oYtsxRmMon6FCEM1kUT722QdWkICIuIdkrXazDzuxY/j6S293aaC6uXRVpy2W1L/S30g4t0kLx41Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:24:11.672092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102687
observed f88659447ca3e7c303eddc9343889868...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:11.653948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102687/manifest.json
observed 7c75f05915308ea9bf70c42ac085a9d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:11.635073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102687/publication.md
observed 14f7d48e16099067900d6896381fd4d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:11.610071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102687/publication.txt
observed 886351abef42ed0075833f6a13b8a954...
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.