OpenTechnical

OT-2026-000010665

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, vented 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-2026-000010665) never changes.

Identity and time

Publication numberOT-2026-000010665 · never reused
Internal UUID01a0ae6c-0ee8-7509-957d-33f4d1d07627 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010665
StatusPUBLIC

Content hashes

Canonical text9ea68f676791b16b96e028b6c8ebd7052a43be8fb11caca4a959c6584c95a2e7
Markdownc28d4c688d9780b32cf699145ef3e113fa75c50c2ed0e6ff1bfbad0a7bef481d
PDF
Publication page56c171b40fda4ef243a37a21721144e556ac22a14bc787215fdc7a1ca57d2f94
Manifest159836f8be1d449a8decd56f5ff6c55e150178e1498a073bcdf71c3eb64619d8

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
SignaturejhRnA4BGQmPp57NEWFAdIO3IVYICRE15PsWoyWPR9y5mHaA3c7DB6QcXJYXYFOoYGesCQJ38aM600gzqVPmiAg==
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

2026-09-17T12:14:18.909393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010665
observed 56c171b40fda4ef243a37a21721144e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:18.891773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010665/manifest.json
observed 159836f8be1d449a8decd56f5ff6c55e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:18.866548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010665/publication.md
observed c28d4c688d9780b32cf699145ef3e113...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:18.840886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010665/publication.txt
observed 9ea68f676791b16b96e028b6c8ebd705...
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.