OpenTechnical

OT-2026-000049950

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, sustained 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-2026-000049950) never changes.

Identity and time

Publication numberOT-2026-000049950 · never reused
Internal UUID01a0ae81-fd77-7d90-90d7-6eb71f35d48c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049950
StatusPUBLIC

Content hashes

Canonical textd33ffd3afe8081310bbc363a124c4c78bb5240c999f0f7c6d8a9ed12eb24b9a3
Markdown9cd505bf4c6dcc9a65aff7159be258b27734ce9c39ae9799f437acc8bfb7fe59
PDF
Publication page88f4f00830b22d4d0418253f1f74156f05d12b234c9eb7cf7ca01bcc3b08e885
Manifest9fbde914ed289fe65e7c4dbef2fd47b8a6ff8232a40f45ae598ff365bbca82b5

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
SignatureYnPcHk9ZbpAcbUpL7fHFgtXS6WB5E2uageqF/I/NCBd/tuevkhfp07mgMAx6KVR/iV0u9YVIl5WYEMQgv6B/AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:01:53.421939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049950
observed 88f4f00830b22d4d0418253f1f74156f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:53.403797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049950/manifest.json
observed 9fbde914ed289fe65e7c4dbef2fd47b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:53.384203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049950/publication.md
observed 9cd505bf4c6dcc9a65aff7159be258b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:53.363527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049950/publication.txt
observed d33ffd3afe8081310bbc363a124c4c78...
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.