OpenTechnical

OT-2026-000014150

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, pulsed blow-off 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-2026-000014150) never changes.

Identity and time

Publication numberOT-2026-000014150 · never reused
Internal UUID01a0ae6d-b278-73e6-b6ff-72f38c2157c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014150
StatusPUBLIC

Content hashes

Canonical text7dc06edb2ac652c448e4c78c01b5c6d314474a0fd88128b09a203e4040b5fa3e
Markdownb2bdae29f1548ea625cd5beb066b46942c15f29e82528b289042b923253a1e6f
PDF
Publication pageda52629acf32f85dee7812da612902bff9d240a0431eae42b5967519c7addd52
Manifest28849486f016ef84647713ea9ee79e6c77630b14b5f0ca8b6851b0c256f84831

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
SignatureIeRP/9VDy397iLUfRm9B20MdwkcJ895GwsAEMXU5JR/9qbK5TWJV1Vu225st/KSiO2ZXpg/+e92fSZ0KTY4FBg==
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

2026-09-17T12:07:13.872920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014150
observed da52629acf32f85dee7812da612902bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:13.853670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014150/manifest.json
observed 28849486f016ef84647713ea9ee79e6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:13.834085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014150/publication.md
observed b2bdae29f1548ea625cd5beb066b4694...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:13.813139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014150/publication.txt
observed 7dc06edb2ac652c448e4c78c01b5c6d3...
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.