OpenTechnical

OT-2026-000103379

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000103379) never changes.

Identity and time

Publication numberOT-2026-000103379 · never reused
Internal UUID01a0aea4-e460-77ba-8f99-8946da2b7d7f · 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-2026-000103379
StatusPUBLIC

Content hashes

Canonical texta6aeae587eaf7ae242ab8074dd0793cf199ec2c3e20924fd0c120132b10e9912
Markdown76ce9f66a393915a1bbeb1fc70183d7065e3ee8e77d7c2b44fcbdffda4056e98
PDF
Publication page9ad3bb2b9b6c12cafd1788709b515a0fc235c44d5802286117912bf21e4c82ec
Manifestada25adb3e1a42d21baf6f521934c701af289601f5fb3197969693a6a8bad897

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
SignatureVJ1BPXcThF3N/vg8HtDZhGDS+m1LmQLU8H7VRSm1TDTmmvwFBAKXygV8sunpq4jC+SwMlEPZsa9ADrBfKUroBQ==
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

2026-09-17T09:22:07.131316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103379
observed 9ad3bb2b9b6c12cafd1788709b515a0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:07.114201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103379/manifest.json
observed ada25adb3e1a42d21baf6f521934c701...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:07.097758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103379/publication.md
observed 76ce9f66a393915a1bbeb1fc70183d70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:07.080944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103379/publication.txt
observed a6aeae587eaf7ae242ab8074dd0793cf...
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.