OpenTechnical

OT-2026-000101883

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, 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-2026-000101883) never changes.

Identity and time

Publication numberOT-2026-000101883 · never reused
Internal UUID01a0aea4-50f0-714e-86ee-7f65448de138 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101883
StatusPUBLIC

Content hashes

Canonical text6f18df18954cce899a0925df336c9e4562cc224f4c3298beade2465c802c9de8
Markdown558be3dd03e3df9b4e1b092605ad5f73ae9c8b23e9bab29d7dfd050c5a59c1f9
PDF
Publication page17a506a2e4ad56980f603f0407fee8b7878b49ba2de782b9cf1f1afb175c0609
Manifest8ea9707a04e585333deb794f0530470a2786571c19d12c8a18f409496b8996cb

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
SignatureEDBtMxOMJm5EbEcZMq0hShhpImMBv0lNIIjEfKA7T8fU6tdR5BzuQ3+c0IJSmN7IDPpnfH0NFueNLY7iU7DDDQ==
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

2026-09-17T09:24:26.411386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101883
observed 17a506a2e4ad56980f603f0407fee8b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:26.390948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101883/manifest.json
observed 8ea9707a04e585333deb794f0530470a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:26.371760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101883/publication.md
observed 558be3dd03e3df9b4e1b092605ad5f73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:26.351223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101883/publication.txt
observed 6f18df18954cce899a0925df336c9e45...
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.