OpenTechnical

OT-2026-000082746

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, vented after 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-2026-000082746) never changes.

Identity and time

Publication numberOT-2026-000082746 · never reused
Internal UUID01a0ae97-8cc9-7938-a409-1e235e6c9954 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082746
StatusPUBLIC

Content hashes

Canonical text9a78c5304f00edd2e258adb5fd65cb228d5407f4d999618dfbed4835754f458f
Markdownc2085e63838e96a4d4c0c34deae428c131dd799e2f20afde38ede2094576f886
PDF
Publication pageed5a471e2ead9cfb419fb45855e3939b6188fb969d431adf7554351b7324fb79
Manifestec59b9595046a509ead20e21d29179b1c1820c4371b623e77f6708853b19ea1d

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
SignatureBL6QH0ql/zqZId71RK4Aa+KhCPihp0Kt9iBNMtwk7R6PGMzXYp13W8mP84Di1oXBfvkbfTY3NXa4ux6/cEjGDg==
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

2026-09-17T09:58:19.685340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082746
observed ed5a471e2ead9cfb419fb45855e3939b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:19.668164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082746/manifest.json
observed ec59b9595046a509ead20e21d29179b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:19.652316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082746/publication.md
observed c2085e63838e96a4d4c0c34deae428c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:19.632764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082746/publication.txt
observed 9a78c5304f00edd2e258adb5fd65cb22...
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.