OpenTechnical

OT-2026-000090782

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, two stage ejector, pressure sensor per zone, 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-2026-000090782) never changes.

Identity and time

Publication numberOT-2026-000090782 · never reused
Internal UUID01a0ae9c-7f31-7bf7-bfa1-c84a795f0871 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090782
StatusPUBLIC

Content hashes

Canonical text366b367a0f863c6ca319a1273120ca304c641baa6cab2e584da1c587e6f09ff9
Markdown7f6b6a633b2c8eead26b66fbd08d5aec225774fdba4233c186488a9fbf944a72
PDF
Publication page35e9cbe2bbe8adf2c2c60f86d6eddb10b1cbbc6ce15069e6c1e6e398a2d69e5f
Manifest5837001f0cc9ac0ed66a7ce360ba644e9c5fadcc23063e0ff49c177aadb66904

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
Signaturex/m6PFZXA9QTvfMxmiQlVf+0WL49Rl4JHgwTbL8YXc4dWpUUNBdK+x3MVOzWeoU+AjAsVBZaZjmYSpiiFMu1DQ==
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

2026-09-17T09:44:59.117316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090782
observed 35e9cbe2bbe8adf2c2c60f86d6eddb10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:59.100716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090782/manifest.json
observed 5837001f0cc9ac0ed66a7ce360ba644e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:59.083412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090782/publication.md
observed 7f6b6a633b2c8eead26b66fbd08d5aec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:59.063778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090782/publication.txt
observed 366b367a0f863c6ca319a1273120ca30...
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.