OpenTechnical

OT-2026-000041060

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, pulsed blow-off after 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-2026-000041060) never changes.

Identity and time

Publication numberOT-2026-000041060 · never reused
Internal UUID01a0ae79-b141-75bf-860e-c54efde0b23a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041060
StatusPUBLIC

Content hashes

Canonical text64be26e1ede0be36e71d1e398df6660bdff9e0e62ce433be5a190b2695352393
Markdown71080d324f0aaab450a51fdc3b9c4da73026b1e556f3feb382c7337b2cc7d66c
PDF
Publication page84d71dc001d92a333f7d3edc8111b671fe1307d1a80116514aa415d33cd15457
Manifestbecdc71f6eaee46261d9781ec363ba283e5e42c0b52d5ab5a31353571c7896d1

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
SignatureCcSrLU/8PZ5beCagfKmNv48qH0YfsALYbeU4T0p4lRPwRXZpg5DcuCmdRcTmlWpbTZ2X9wod4zzaHJ8n5TaCBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:16:58.436559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041060
observed 84d71dc001d92a333f7d3edc8111b671...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:58.420230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041060/manifest.json
observed becdc71f6eaee46261d9781ec363ba28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:58.404643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041060/publication.md
observed 71080d324f0aaab450a51fdc3b9c4da7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:58.387741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041060/publication.txt
observed 64be26e1ede0be36e71d1e398df6660b...
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.