OpenTechnical

OT-2026-000061547

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000061547) never changes.

Identity and time

Publication numberOT-2026-000061547 · never reused
Internal UUID01a0ae8b-7b44-7e58-a6f5-14102a988d03 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061547
StatusPUBLIC

Content hashes

Canonical text168d8a6723ed9ff233fff4c0330dc31645b8b41f8065583741a82f9fd7ad2639
Markdown11446d45c6f85b7fa02cd4a7430aa28f0cbe585c3cebc9fc2bf92b278f7aaeb0
PDF
Publication page0edef0c0e16834a4b47692b813005cb67915070c9dae79d85a51b4d546915b6f
Manifestd5a02c07a53ab254d1fe39075af997e8530e59962ddfb294d67d652b851df5ef

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
SignaturekYzMwyw5sj5IOe8ySwvOX/nfyK96dYJhjpwdG6HlSjfqoZ2wXH9JYJXjv6lCSFUTD3cLhDsDuaETz/gTf/PgAA==
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

2026-09-17T10:41:27.444391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061547
observed 0edef0c0e16834a4b47692b813005cb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:27.425594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061547/manifest.json
observed d5a02c07a53ab254d1fe39075af997e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:27.408116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061547/publication.md
observed 11446d45c6f85b7fa02cd4a7430aa28f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:27.388833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061547/publication.txt
observed 168d8a6723ed9ff233fff4c0330dc316...
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.