OpenTechnical

OT-2026-000050167

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed blow-off before 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-2026-000050167) never changes.

Identity and time

Publication numberOT-2026-000050167 · never reused
Internal UUID01a0ae82-5c45-7a5f-adbf-80db483ce21c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050167
StatusPUBLIC

Content hashes

Canonical text51a4ed9723058421c8946e90a646d1192b310688fce5c58a44bdf2f82440d159
Markdown74a6c26cf961dfa6866c97d6671c8ea1e2d25a92265555af23f636a88e921d53
PDF
Publication paged1e99d0b653cbaa194309dca1c94975343c83f97d6eb0e632502aa09fe3d513b
Manifest307b856b40812f6e23280c5b7c9546a5c265f85799604c48bcfd05a983a7427d

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
SignatureMQ2RitVFFdvNnsjULsy/6Sl76G2tZiTUNi0HXpSSuWpc1Mm+9xN3FbAi8n3E+q7cx4DsE6Yj5swW9TBIBlrBCQ==
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

2026-09-17T11:01:08.735416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050167
observed d1e99d0b653cbaa194309dca1c949753...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:08.715139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050167/manifest.json
observed 307b856b40812f6e23280c5b7c9546a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:08.696871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050167/publication.md
observed 74a6c26cf961dfa6866c97d6671c8ea1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:08.679133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050167/publication.txt
observed 51a4ed9723058421c8946e90a646d119...
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.