OpenTechnical

OT-2026-000099193

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000099193) never changes.

Identity and time

Publication numberOT-2026-000099193 · never reused
Internal UUID01a0aea2-8288-7231-bc32-602aa4b1eabd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099193
StatusPUBLIC

Content hashes

Canonical textdc519fde3781f8fcad2b10212eab4f78e1ecb0772f5f713e38089d80b88f1c4e
Markdownf82e6041fc2cd1b0a6f43f90474b84a41be139ddd01ae46a1917f65bcc63ec90
PDF
Publication page62eff9d04f4dc5adabef64434fac456baa8358100da7b021244e418741ea5270
Manifest1e7800d601eca8c94cf817ccdb07f429dc9b3d7236575102c658361ce63cee14

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
SignaturexehqvAdPv6xCLB6UqQUF6Nhyn1qw1+R/AMKgI+LvIetI07vPtkW1NOiXY7vzj6fbLUbZ6caeN8XZ3EbdQd9ZDg==
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

2026-09-17T09:30:34.990601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099193
observed 62eff9d04f4dc5adabef64434fac456b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:34.973520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099193/manifest.json
observed 1e7800d601eca8c94cf817ccdb07f429...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:34.954016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099193/publication.md
observed f82e6041fc2cd1b0a6f43f90474b84a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:34.936918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099193/publication.txt
observed dc519fde3781f8fcad2b10212eab4f78...
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.