OpenTechnical

OT-2026-000052867

Publication integrity record

Three cup vacuum gripper, three zone face, single stage ejector, supply line pressure sensor, pulsed 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-2026-000052867) never changes.

Identity and time

Publication numberOT-2026-000052867 · never reused
Internal UUID01a0ae84-a42f-7784-a770-8eddc1230624 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052867
StatusPUBLIC

Content hashes

Canonical text3ec349be159ff0a0246aaf6bef6cda6808358f1ac95b6e59d9822fab3cfe353a
Markdowncf5fdbf4d16635e49fc99042744c97169d04d0d5b4cc69e0ebe40e548b87feec
PDF
Publication pagef71704237250012b5245d9d121aac2dafc35d8853a62c96be434d9236ea767cc
Manifest7edce9bb943f05edb2041e782031483ceee80d341e3b020656273ddbe125a6f3

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
SignaturefM685bzSEXN4LDMawqOZboROMCsrjFRpBzjY/WpioFkvHRdE7j0plXZUcwewdYy/ysirP0HxQYLOO98kximJCA==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:56:29.992768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052867
observed f71704237250012b5245d9d121aac2da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:29.972828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052867/manifest.json
observed 7edce9bb943f05edb2041e782031483c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:29.955384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052867/publication.md
observed cf5fdbf4d16635e49fc99042744c9716...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:29.922206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052867/publication.txt
observed 3ec349be159ff0a0246aaf6bef6cda68...
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.