OpenTechnical

OT-2026-000061697

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000061697) never changes.

Identity and time

Publication numberOT-2026-000061697 · never reused
Internal UUID01a0ae8b-b8aa-771c-aa11-d5a69cb474dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061697
StatusPUBLIC

Content hashes

Canonical text05a8a7d10201c02b734a1b253464fedbde86adc0815b346d9e9d4f15614e25c6
Markdown8f409285327c00e6e0b71fd5eb0e2ca65e99201890a5713750d8a6490dc31f4f
PDF
Publication page15bb4a5a2401dfd28472744b7a388cc2de4129c951f8df0f1fe1adb823635497
Manifest3b1c8e1a1c000dc4bf74197f45c4ef9a653b396551a7c10af1226131258357dd

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
SignaturebJLMQuamHmJcTSkmSPzMxH2cd1I3x825jr+vyfV35wfEL44OfwGAYaA5tGFCxi80LVq2bEc+eK42g/ljgq0wAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:15.722152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061697
observed 15bb4a5a2401dfd28472744b7a388cc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:15.702110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061697/manifest.json
observed 3b1c8e1a1c000dc4bf74197f45c4ef9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:15.684108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061697/publication.md
observed 8f409285327c00e6e0b71fd5eb0e2ca6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:15.664557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061697/publication.txt
observed 05a8a7d10201c02b734a1b253464fedb...
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.