OpenTechnical

OT-2026-000052273

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, vented before 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-2026-000052273) never changes.

Identity and time

Publication numberOT-2026-000052273 · never reused
Internal UUID01a0ae83-e791-7ba2-96e5-253f6195e38f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052273
StatusPUBLIC

Content hashes

Canonical text253a077de77cfe04a14be5e4971f790137df0d44e7772255a3acb1a7bb0513d7
Markdowndbb9307d40b6813963d4d831e6ae76fcd17b62425789f90c554febc2e3179b0e
PDF
Publication page9128895b38879b0319e8b61be4633d394261370b81b7db061cb6116752306bc0
Manifesteead58f143e924d924de70b3cd6116908a580877a4a4e5c3134fcd71afe5f690

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
SignaturejSyd7TMKZp2NQDmfR5XDNINw77ktUxSi1elhv3R1ZGiIrSU/IQ9DQXWuTN2Ad3St9gZhP97bZ8y2jQLQQ9VUAQ==
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

2026-09-17T10:57:51.718480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052273
observed 9128895b38879b0319e8b61be4633d39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:51.697165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052273/manifest.json
observed eead58f143e924d924de70b3cd611690...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:51.676312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052273/publication.md
observed dbb9307d40b6813963d4d831e6ae76fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:51.656033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052273/publication.txt
observed 253a077de77cfe04a14be5e4971f7901...
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.