OpenTechnical

OT-2026-000048333

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, sustained 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-2026-000048333) never changes.

Identity and time

Publication numberOT-2026-000048333 · never reused
Internal UUID01a0ae80-4de4-72d1-acb6-c5b0ec6d98e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048333
StatusPUBLIC

Content hashes

Canonical text29189a65380f53d42bee7c62d5b4bf62fbfff7396d8cf66e6ccd81b38b906175
Markdown7228a32840858b387daf8253aabb86849d02b0a6032671b13ccceb40632c91a6
PDF
Publication pagec9869b0e16c336348797f69f66ecd1c1d39567ec5071bcfdc0e400bdbc7d85b9
Manifesta975deac1f927dd3275bb14758a07fb3a156327a8a31146114511318f3cf6ba1

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
Signature1a1UW7yPVy7TF0LVNTsaXlnn2Iy7rSAe0onvTLAFrIJxf5DGhzHSqb86mTH5wXptqDSX0S2JdCIwwFMvVPHQDw==
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

2026-09-17T11:04:56.372282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048333
observed c9869b0e16c336348797f69f66ecd1c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:56.351764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048333/manifest.json
observed a975deac1f927dd3275bb14758a07fb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:56.332385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048333/publication.md
observed 7228a32840858b387daf8253aabb8684...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:56.313190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048333/publication.txt
observed 29189a65380f53d42bee7c62d5b4bf62...
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.