OpenTechnical

OT-2026-000027540

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, 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-2026-000027540) never changes.

Identity and time

Publication numberOT-2026-000027540 · never reused
Internal UUID01a0ae72-6998-78e1-a5a1-e9c794e15ecd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027540
StatusPUBLIC

Content hashes

Canonical text74de931adeb6ef2a4f6a17d345c98c27229b315e688f6a270b9b7e0438b5a9f9
Markdowne7b8a8d5211a4d73073be301d0c3cd2c5f9327bd1594e57fda904f4252e874bd
PDF
Publication page30667e0f9154f27d23d196b5c932907e71a4b2433907c72ed52c7f8b913c3fe0
Manifesta24a9e718239b60a7cf792b4cf66e4f2b281ce4150f55a2846080f0fff457151

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
SignatureDcs9TBNyPPSUYGQnDy7xgFba6NeUj1NfZgy4FYUPTjI8ysk2YU0Wc+9tC8UUNtldC6BqgXxGJs9bmT4w9uoLAg==
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

2026-09-17T11:43:01.711584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027540
observed 30667e0f9154f27d23d196b5c932907e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:01.693242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027540/manifest.json
observed a24a9e718239b60a7cf792b4cf66e4f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:01.675216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027540/publication.md
observed e7b8a8d5211a4d73073be301d0c3cd2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:01.655286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027540/publication.txt
observed 74de931adeb6ef2a4f6a17d345c98c27...
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.