OpenTechnical

OT-2026-000038120

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, sustained 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-2026-000038120) never changes.

Identity and time

Publication numberOT-2026-000038120 · never reused
Internal UUID01a0ae77-f88b-795a-bb54-9c883dfa8fde · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038120
StatusPUBLIC

Content hashes

Canonical text3b01ed7c47358e8205c3bb659d28ce478985ef3dba08a8ee97682c309a3d6d51
Markdowne07226ab2f287d9906dddbdcb9af9d083ea81841ea5b023567f529b04288d9f7
PDF
Publication page13d0c201eb4ba2697231380ea07e2d91586728a887569edf6efc74b59b490e16
Manifest797b4f95a37d03322b9be09781b339303bd91af167bc0a515bafa2ac335881ff

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
SignatureSOTEOxvds01JCl517sIVFUtKum6yoc324tbRovYoGlxW8YQP/iQh2gZkpE7gFhrcHWZWphhNYXKymS8dvm1AAw==
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

2026-09-17T11:23:27.710624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038120
observed 13d0c201eb4ba2697231380ea07e2d91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:27.693615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038120/manifest.json
observed 797b4f95a37d03322b9be09781b33930...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:27.674585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038120/publication.md
observed e07226ab2f287d9906dddbdcb9af9d08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:27.657631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038120/publication.txt
observed 3b01ed7c47358e8205c3bb659d28ce47...
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.