OpenTechnical

OT-2026-000103838

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, three 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-2026-000103838) never changes.

Identity and time

Publication numberOT-2026-000103838 · never reused
Internal UUID01a0aea4-e463-7f99-9923-a065eee76a06 · 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-2026-000103838
StatusPUBLIC

Content hashes

Canonical text1a815ca4d530ef294d9bb5dbe3035d216014b9bc5aec54b540837f65f6568da8
Markdowncb03c2910d6c4a106cb7a7d5646aacee369eb5d803487e7853f3554f29d59a00
PDF
Publication pagebf96300272e84789b67f9ab2fa79e32c1071adfa8bd836fbfa864bb2bb8a7fae
Manifest94adcde4f9df2609f2af4361df279156625004f59a5bda65861af4200fb8d0f1

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
SignaturexkXCazk7DGTYaGRnyRWEg0YCTwI/24zj+6hHvDgE+CAg3/yhI8qLHxq4V1yXZYSIR+l3c/5+sjlnpRGd/3XQCA==
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

2026-09-17T09:22:47.848457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103838
observed bf96300272e84789b67f9ab2fa79e32c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:47.832425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103838/manifest.json
observed 94adcde4f9df2609f2af4361df279156...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:47.812352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103838/publication.md
observed cb03c2910d6c4a106cb7a7d5646aacee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:47.796083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103838/publication.txt
observed 1a815ca4d530ef294d9bb5dbe3035d21...
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.