OpenTechnical

OT-2026-000057736

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, sustained blow-off 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-2026-000057736) never changes.

Identity and time

Publication numberOT-2026-000057736 · never reused
Internal UUID01a0ae88-2695-7c74-b5f4-d850c1c79cd3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057736
StatusPUBLIC

Content hashes

Canonical texta87511e1db76a48763014aaacc63ade6c35ba2974bb1bb34846609238b4f4eb6
Markdowne9d5f8749bcb245a8052b6dba321e96137579e05f3a1021099a2de2f313581ec
PDF
Publication page36fa687462bec7eb4a47a11c58fe734484f019949c4849290d84c8def6d56a64
Manifestc1104c31aa9b6b4d37b301213ee39292427d51eeeceebee314b6ce1d3dff75f2

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
SignaturenHX0+Jsb6MUQjL5zA1JhMRWlZKjVzGE39d2jFJQyLmYEnezk/9Cov/e5kVfSPnKXJNwKHoBymylDO10Px3C5DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:48:24.665773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057736
observed 36fa687462bec7eb4a47a11c58fe7344...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:24.647606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057736/manifest.json
observed c1104c31aa9b6b4d37b301213ee39292...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:24.628921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057736/publication.md
observed e9d5f8749bcb245a8052b6dba321e961...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:24.612432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057736/publication.txt
observed a87511e1db76a48763014aaacc63ade6...
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.