OpenTechnical

OT-2026-000054936

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000054936) never changes.

Identity and time

Publication numberOT-2026-000054936 · never reused
Internal UUID01a0ae86-5e7f-7702-9cdc-c3ac4fc3eff9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054936
StatusPUBLIC

Content hashes

Canonical text9fb5a907b43ffc2ab22fd5a13f4038eefc575d48c708b45a0664d04661e6d622
Markdown85b034b4edb054e73d706eb6288390d817c37aff041c0c04d39a0370b0fcca03
PDF
Publication pageb3e9bfcfa28a9572b2105a77a4a372642739b763f00d65b166d7502dc0906bcc
Manifest4231d8ccdbb5e2833872777f0c0536c50f015c4f684e808c738360a9c02947f7

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
Signature8heDXd75IptEWeeyYQJ75HxJzRKUGRu5ce4h0A34SkAxSLJzFrH3/XvIaQWuVkg/kH9eJdvHM43F/Cqpu5v8AA==
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

2026-09-17T10:53:02.519049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054936
observed b3e9bfcfa28a9572b2105a77a4a37264...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:02.500701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054936/manifest.json
observed 4231d8ccdbb5e2833872777f0c0536c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:02.460823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054936/publication.md
observed 85b034b4edb054e73d706eb6288390d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:02.412923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054936/publication.txt
observed 9fb5a907b43ffc2ab22fd5a13f4038ee...
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.