OpenTechnical

OT-2026-000070674

Publication integrity record

Single bellows cup vacuum gripper, pump fed, 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-2026-000070674) never changes.

Identity and time

Publication numberOT-2026-000070674 · never reused
Internal UUID01a0ae91-8c2c-7189-b8ac-24c485adaabe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070674
StatusPUBLIC

Content hashes

Canonical textc4abcb5b9f3368440d732dd542741da2f7961a8258c61e369a65d6f29ba77cb3
Markdownf02e861c698b753558c3782e54bb30d90b356041fa4e08ccfaa2003b1118d666
PDF
Publication page96fdb55bec4cca68f352fb65c6461888bb1b9c82d599af5e8bd71a58c280d0c1
Manifest824141eb2552046456149168c85340c82b094e3900f6a5d2208a36041b0421d8

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
SignaturexByhJY0LIQDsJYEyZVCPqhky5h4SuCBQDrLdqUZ9bNcFdoJVKB4J2K/8viTHoqwO4QWeVEuFb51qUz4sLYogCQ==
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

2026-09-17T10:25:21.127555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070674
observed 96fdb55bec4cca68f352fb65c6461888...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:21.109828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070674/manifest.json
observed 824141eb2552046456149168c85340c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:21.092225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070674/publication.md
observed f02e861c698b753558c3782e54bb30d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:21.073231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070674/publication.txt
observed c4abcb5b9f3368440d732dd542741da2...
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.