OpenTechnical

OT-2026-000087408

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single stage ejector, supply line pressure sensor, 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-2026-000087408) never changes.

Identity and time

Publication numberOT-2026-000087408 · never reused
Internal UUID01a0ae9a-cd50-752f-b816-606d6797610b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087408
StatusPUBLIC

Content hashes

Canonical text1865526cc546e85602fc68a1ef48010607c1aab26a785c9ee61842c38a4ebad5
Markdown466074126c2934bf363ea50e9cb77316f71197e76858690f2ca7a0d97ab910d7
PDF
Publication pagea6c50354ffde1b096627a46bdcf6146c5250b07158896352612cab9a3cd8e303
Manifest4b35affd9c7d48a3a1fff90ed2f5772e4b9dfb0ee387252c65af1ee9bdfac416

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
SignaturehNQimGYQ/y8M1N1oDXPcVHPUL94SDmQA32NexjpOnXlT+Ab2PpJIdASgyhu0EEgwRqJ6jldS8zA70Qzt2PehDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:50:43.425149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087408
observed a6c50354ffde1b096627a46bdcf6146c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:43.404479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087408/manifest.json
observed 4b35affd9c7d48a3a1fff90ed2f5772e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:43.385878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087408/publication.md
observed 466074126c2934bf363ea50e9cb77316...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:43.367853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087408/publication.txt
observed 1865526cc546e85602fc68a1ef480106...
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.