OpenTechnical

OT-2026-000103796

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, 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-2026-000103796) never changes.

Identity and time

Publication numberOT-2026-000103796 · never reused
Internal UUID01a0aea4-e463-7944-a1d1-9345a27ac888 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103796
StatusPUBLIC

Content hashes

Canonical text5b362c001ea9baf19c3bd4b97bb88d98337a073ef2dd39ab40529cd8fd01d88e
Markdown77cdebc2b696fd4ebb55637b1486f848d4b8649080dab3ca0a7e4be44729e857
PDF
Publication pagef08f678bf2debaaad71176bc8a32a78ea92cd0e7eba717add1508e3e8ad4db9b
Manifest9e6466b5a7ba95ae7529062fdc255e5dade44c136244c4cc6baa2d8ca25829ad

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
SignaturetdgmIr+2lowl1sI25GGq0XvjugehdjWm4RtbH7Q3A85aNx8Rdo2WumeQnINhlNWzYcDm+SKrwlrkWjptX06jCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:45.032850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103796
observed f08f678bf2debaaad71176bc8a32a78e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:45.017021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103796/manifest.json
observed 9e6466b5a7ba95ae7529062fdc255e5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:44.999289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103796/publication.md
observed 77cdebc2b696fd4ebb55637b1486f848...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:44.984002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103796/publication.txt
observed 5b362c001ea9baf19c3bd4b97bb88d98...
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.