OpenTechnical

OT-2026-000103497

Publication integrity record

Three cup vacuum gripper, three zone face, 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-2026-000103497) never changes.

Identity and time

Publication numberOT-2026-000103497 · never reused
Internal UUID01a0aea4-e461-785f-9c55-3fa232f191bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103497
StatusPUBLIC

Content hashes

Canonical text0dde181c3eccabffda21a4f46af58177b0f98b17b730cdb328c7d287fb9579ac
Markdown902f40234013dc2a98f85d78a34a3580b6c1f5f242b4c6092f96f111fc110b79
PDF
Publication page462c4c1b0fcaef55852732adc1d683aa22905c84c756b0f029f92d830b070eca
Manifest957f7fde44c49a462816cf697bcaa8fc7965e838bcdc581ed486a920ca3244da

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
SignatureegL9sIyWXanDtNc84d5ZpVGLH+CcgqNe8o01/SsF1o/NDwv6Xbn3WE0zBHEFQgkXsnPAIw2liCHcOBXkbP/0DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:15.730901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103497
observed 462c4c1b0fcaef55852732adc1d683aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:15.712118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103497/manifest.json
observed 957f7fde44c49a462816cf697bcaa8fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:15.695342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103497/publication.md
observed 902f40234013dc2a98f85d78a34a3580...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:15.678471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103497/publication.txt
observed 0dde181c3eccabffda21a4f46af58177...
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.