OpenTechnical

OT-2026-000041504

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single 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-2026-000041504) never changes.

Identity and time

Publication numberOT-2026-000041504 · never reused
Internal UUID01a0ae79-e89f-774a-ae0f-83be1b5cccd3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041504
StatusPUBLIC

Content hashes

Canonical text34671d868b3bc58f9f7a5711351033e711439fdcca3e97319b625bbd33af2849
Markdown403d8fdcdbcb1eb384374ac644da19c36c3430b01742269d39bfb8f3bb9343ce
PDF
Publication page22cb11d426ca9ca1a13f2521294862e7291040296ba82327b259ee22dc079e8c
Manifest59d8f8823e7d076fbcd6430f79f1ccceceeb7be80b9faf036a1d1cd711431ae8

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
SignatureGpB0x1cw5pRMfOcjUZYe3A5by+xurSYCjvt2U4lBmIKcqvtir7wYRbuQhbRlDb+3GCIuiK8pI6xe0JU1Yzn/Dg==
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

2026-09-17T11:16:16.238994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041504
observed 22cb11d426ca9ca1a13f2521294862e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:16.221379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041504/manifest.json
observed 59d8f8823e7d076fbcd6430f79f1ccce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:16.205324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041504/publication.md
observed 403d8fdcdbcb1eb384374ac644da19c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:16.188197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041504/publication.txt
observed 34671d868b3bc58f9f7a5711351033e7...
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.