OpenTechnical

OT-2026-000099990

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, three stage ejector, pressure sensor per zone, sustained blow-off before 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-2026-000099990) never changes.

Identity and time

Publication numberOT-2026-000099990 · never reused
Internal UUID01a0aea3-1474-752f-82bd-4e54dc4475af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099990
StatusPUBLIC

Content hashes

Canonical text7507b47feeae70ac1a1efb6beb302e6aefdc7b372970d0882b5c063e2d76fae4
Markdown1d2a12a9b7c6911f2dde42bc3810f2cafc15ca2218042d2730fe5234eacb895e
PDF
Publication pagea543f1265feaf4608b51fe165e51a6eccf463f86b010e137962919a3e3864ee6
Manifestf52cdf85114c274b78320001e564a55ae420c77464993ee316373eaf612bd737

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
SignaturerWH1oUpOOQ6ktWvq65HdmtuHD2GVWcGeLWaLaUI6bKTbVBDGSxZPmhtIJJ0QAOcemSTPs0bRUYqSsSF+KyyDCA==
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

2026-09-17T09:30:41.816898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099990
observed a543f1265feaf4608b51fe165e51a6ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:41.795826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099990/manifest.json
observed f52cdf85114c274b78320001e564a55a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:41.776409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099990/publication.md
observed 1d2a12a9b7c6911f2dde42bc3810f2ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:41.757121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099990/publication.txt
observed 7507b47feeae70ac1a1efb6beb302e6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:55.099945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099990
observed a543f1265feaf4608b51fe165e51a6ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:55.080785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099990/manifest.json
observed f52cdf85114c274b78320001e564a55a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:55.060639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099990/publication.md
observed 1d2a12a9b7c6911f2dde42bc3810f2ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:55.040008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099990/publication.txt
observed 7507b47feeae70ac1a1efb6beb302e6a...
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.