OpenTechnical

OT-2026-000054497

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000054497) never changes.

Identity and time

Publication numberOT-2026-000054497 · never reused
Internal UUID01a0ae86-1283-7e40-87a4-ddf3fc22bc98 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054497
StatusPUBLIC

Content hashes

Canonical text2b9b3b4e11be8408969bf68ded4d744af074625b26fa5f588586e015010d612b
Markdown5040c868746c45cb7fe7193ec493a9add20c2591d4acd4b36266dfbf7fb01641
PDF
Publication page26cba3a3f029f527bf86b624ed9efadbcaf34e39dc9a5d4878b8ffd09197f2d7
Manifest679b4c4f80233a5c536a661dda18c0192388b8289507b406f6dbc6ba9fd72636

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
Signaturex4IkXZdkPBIFqKzSengQHOzxh07op0RvQHYOEoqCNsK4iqXOqVsS4uklFOMkVsJuaV8T+hbJ3jj5rHJN0pPhDQ==
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

2026-09-17T10:53:29.994688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054497
observed 26cba3a3f029f527bf86b624ed9efadb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:29.977700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054497/manifest.json
observed 679b4c4f80233a5c536a661dda18c019...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:29.959862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054497/publication.md
observed 5040c868746c45cb7fe7193ec493a9ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:29.941648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054497/publication.txt
observed 2b9b3b4e11be8408969bf68ded4d744a...
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.