OpenTechnical

OT-2026-000084538

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, two stage ejector, sustained blow-off before set-down

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-2026-000084538) never changes.

Identity and time

Publication numberOT-2026-000084538 · never reused
Internal UUID01a0ae98-e25a-7eb1-93ac-041f2e890631 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084538
StatusPUBLIC

Content hashes

Canonical text34c433a08f4abf00f3ab105f4b645d56277c1c73f632ad4763720799320d00df
Markdown21881ec49295e2060204be689758b2d7163c7b751fa12964c85d2955c8dc4d95
PDF
Publication pagebabf98d1cdb4364f157f5d0c1d866708d152d99f25c3d90723e29869e87b1371
Manifestd77df6146377716ed21a2c3f7a6c211c305a27b4ffbf437bfeb993ad85f8c2fd

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
SignatureLUEN8AnxqqrDt4nyp9d6tckwZ0YIHvOrqYjYH5rtfbdvp/cQSFs6tEmG1klml6xUcjrXM9hgRuyD/Sh7qJTUCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:55:25.440366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084538
observed babf98d1cdb4364f157f5d0c1d866708...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:25.420233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084538/manifest.json
observed d77df6146377716ed21a2c3f7a6c211c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:25.401209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084538/publication.md
observed 21881ec49295e2060204be689758b2d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:25.381679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084538/publication.txt
observed 34c433a08f4abf00f3ab105f4b645d56...
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.