OpenTechnical

OT-2026-000071838

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000071838) never changes.

Identity and time

Publication numberOT-2026-000071838 · never reused
Internal UUID01a0ae92-1e92-729d-86b9-e2b4990d0f7d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071838
StatusPUBLIC

Content hashes

Canonical texte5ab16000c9ccb431e4302137e0625e58d6ad6c4b108c1d81e965762f1ea7121
Markdownc5b62cade7720491989eec502dc7bd49a59482398c471df7e856f3daf949f626
PDF
Publication page9faa3c93b118d412da8300bfb747932eff26fdbef432818db342c9b41151762f
Manifest63f26130535c088de27b989b245fca16a526fa368b94a95a12f81f7704686ba7

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
SignatureQP/KAYTiN+VKri+sogDGNSfatixBHH7zuZKXDazWneFGrYuoB7h7zeUwGStkPmwc0UBNJPWBNB78v3rNWHjxAw==
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

2026-09-17T10:24:00.943951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071838
observed 9faa3c93b118d412da8300bfb747932e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:00.926730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071838/manifest.json
observed 63f26130535c088de27b989b245fca16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:00.908280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071838/publication.md
observed c5b62cade7720491989eec502dc7bd49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:00.888815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071838/publication.txt
observed e5ab16000c9ccb431e4302137e0625e5...
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.