OpenTechnical

OT-2026-000073956

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, vented 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-2026-000073956) never changes.

Identity and time

Publication numberOT-2026-000073956 · never reused
Internal UUID01a0ae93-2b8e-7aa4-b0ef-85174b9913dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073956
StatusPUBLIC

Content hashes

Canonical textc41278e6e9275d5a0886e983f2ee0c215a5a6237d2cfc3e809bfdf8909174d3b
Markdown803c0e0da1b1c84da73ab3176560259edf41c0b68e43d49734e7d581ac0c7791
PDF
Publication page0fc98e0f5d0defef53fdba183a603d48040a57337bfd7e82d8e12818202d4593
Manifest49b239d1424a29de733a4be7a345c166485e34eccdbadf73a39ce9ad68bf0064

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
SignatureTOlVhp3AgnTUTVKv33WEKkM2apu3+IBIZ568scL2uJcof/dwOKJVMeJ07ybfhKGiupdY3viG3qgNlebNkWfEBg==
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

2026-09-17T10:20:14.843389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073956
observed 0fc98e0f5d0defef53fdba183a603d48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:14.822239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073956/manifest.json
observed 49b239d1424a29de733a4be7a345c166...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:14.803696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073956/publication.md
observed 803c0e0da1b1c84da73ab3176560259e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:14.783879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073956/publication.txt
observed c41278e6e9275d5a0886e983f2ee0c21...
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.