OpenTechnical

OT-2026-000067625

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, 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-2026-000067625) never changes.

Identity and time

Publication numberOT-2026-000067625 · never reused
Internal UUID01a0ae8f-6bda-7b1f-894d-dec815ebc607 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067625
StatusPUBLIC

Content hashes

Canonical text632830e0a221cb99b0ff82d3e87fb8bc722fcdbae5076eb4ddda5e5380c8bcef
Markdown38a671f4ec8623071c3f0fc72b38c0eed1b3f79611be55f2fdc876c522a68cb4
PDF
Publication pageb7a00dc5904abe988ef3b015bd00ebb846f00769d1275037d3e5a3b095f1853a
Manifest2f4c42027d3535d94c641677d2ad2232061e98a53769e1f11c13300dcf5ef9ee

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
SignaturepkilLWR5HWo5xjIe55qYAU29ZvnB3g5d8pgcZPod7fFrfLb60AY8Xq4FI5NaSpSOGEVofIPLIor68oDrY/nBCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:31:56.852222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067625
observed b7a00dc5904abe988ef3b015bd00ebb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:56.833725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067625/manifest.json
observed 2f4c42027d3535d94c641677d2ad2232...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:56.816756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067625/publication.md
observed 38a671f4ec8623071c3f0fc72b38c0ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:56.798485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067625/publication.txt
observed 632830e0a221cb99b0ff82d3e87fb8bc...
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.