OpenTechnical

OT-2026-000007352

Publication integrity record

Porous face vacuum gripper, common isolation valve, six outlet manifold, two stage ejector, open cell

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-2026-000007352) never changes.

Identity and time

Publication numberOT-2026-000007352 · never reused
Internal UUID01a0a97b-c2d8-70cb-8aeb-3ffcdbe7f4cc · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:10:55.451746Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007352
StatusPUBLIC

Content hashes

Canonical text12f3ff679f68699f34a153f4663b88150c80bcd56291dfee9d0352092610d480
Markdown10ba1019500afd884987608167bcf37533114687d61a1aed48b08a36ef3fd100
PDF
Publication pagef6fed42a748ba44461f3557aa9a791ec886c7acde67b72b2d174ec88064b60b4
Manifest8adfe9ba04435e2586245b12ac00d433dc2cd58789058bddb3377ac49c17b7c9

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
SignatureANK2yFDS+rFImim3ZLhYhHMlZaSMqCOGHfvX5CRg6cD/33JbOzO5U41K2e6wmayXtTt/QNF9OUzfVYBDCBZSBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:20:10.156139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007352
observed f6fed42a748ba44461f3557aa9a791ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:10.142779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007352/manifest.json
observed 8adfe9ba04435e2586245b12ac00d433...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:10.130045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007352/publication.md
observed 10ba1019500afd884987608167bcf375...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:10.116796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007352/publication.txt
observed 12f3ff679f68699f34a153f4663b8815...
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.