OpenTechnical

OT-2026-000101973

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000101973) never changes.

Identity and time

Publication numberOT-2026-000101973 · never reused
Internal UUID01a0aea4-50f1-77c5-b591-bb81ab1e7acd · 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-2026-000101973
StatusPUBLIC

Content hashes

Canonical text20dbf7ce8e58cfe5fbe08b9cd7294302d6d641b67f26f7958bb41aa4b8a0f6a9
Markdown35c32cafaf4bce106a1e1eee18fdfa886ae623528401d5f50482158264e74ff0
PDF
Publication pagea86a1b3293e7679efa326c044aa29eb3c4926d33ebf044da12ee5f4fcd106ae2
Manifest361516bc66b4a8e9e7a1bc22b723194318b22963d76c3f669b629e1194e778c7

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
SignatureUXOcyg+Z/8IMfM4MyYe5uDrOPrs8gIv2a1U46vhMcs5sXmAXceznuNvFt+zdupJdSQ9Jn/kpcPoKdOUj3rNLBw==
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

2026-09-17T09:24:26.488728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101973
observed a86a1b3293e7679efa326c044aa29eb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:26.469803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101973/manifest.json
observed 361516bc66b4a8e9e7a1bc22b7231943...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:26.451062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101973/publication.md
observed 35c32cafaf4bce106a1e1eee18fdfa88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:26.431254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101973/publication.txt
observed 20dbf7ce8e58cfe5fbe08b9cd7294302...
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.