OpenTechnical

OT-2026-000036257

Publication integrity record

Single cup vacuum gripper, three stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000036257) never changes.

Identity and time

Publication numberOT-2026-000036257 · never reused
Internal UUID01a0ae77-01cf-759c-9ea5-bfb225f80687 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036257
StatusPUBLIC

Content hashes

Canonical text70fbbcc50a3567c06a3a7a6115fb81223f8e5dcaa0a66a96d05c9ccabbd5e7a8
Markdown50d7ea4c8738fda4fb4c4fa6c3264fd9c69818159667aac6f0d6309d4b5212f2
PDF
Publication paged038c23de76c21422441285e2bceafcaf1214104aba0d6b81955c3277b9abebb
Manifest3b6621d98b371c65eef3193284a039986a871618556315b753d2cdb81a1289df

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
Signature2LkHklMBiUVCsIQmO+FH2nRCyxWLoZnD6wSZWIOklcOJWdgCjJHQZXtOY8Fiq681Sd+vrCZk+Ggh+ANbb0oCCA==
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

2026-09-17T11:26:30.805789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036257
observed d038c23de76c21422441285e2bceafca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:30.788002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036257/manifest.json
observed 3b6621d98b371c65eef3193284a03998...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:30.768943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036257/publication.md
observed 50d7ea4c8738fda4fb4c4fa6c3264fd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:30.749047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036257/publication.txt
observed 70fbbcc50a3567c06a3a7a6115fb8122...
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.