OpenTechnical

OT-2026-000062013

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000062013) never changes.

Identity and time

Publication numberOT-2026-000062013 · never reused
Internal UUID01a0ae8b-b8af-70e7-9a96-456cf0c3b78d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062013
StatusPUBLIC

Content hashes

Canonical textc278e3b247b3efc1cd5154c565fe8dee8ddeaf72dba10226d6489066d9a44bd3
Markdown08f7b809eb5fa27a788574bc44873af2f16799bfaf531b5f4aad35f00214e8da
PDF
Publication pagee24633bb5b9cc871119054ef6e1d83e6de01bc86cc15a738a4c2116f1bd15626
Manifestb8fbcaa3c790c3b9fb859fed7f45f0bf1d088a1b66d8c9a17bdf7bdff684895c

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
SignaturekNYTEkfNNtaCJcMLjDGxJcZvuI+h552Pz27XnxFYzR8APmuXQNPHw9Rw2nOdSLjl6aoYqGkKKMn31jAXB/+4DQ==
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...

Independent retrieval

2026-09-17T10:41:02.519551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062013
observed e24633bb5b9cc871119054ef6e1d83e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:02.495540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062013/manifest.json
observed b8fbcaa3c790c3b9fb859fed7f45f0bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:02.472501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062013/publication.md
observed 08f7b809eb5fa27a788574bc44873af2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:02.452524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062013/publication.txt
observed c278e3b247b3efc1cd5154c565fe8dee...
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.