OpenTechnical

OT-2026-000075030

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two 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-2026-000075030) never changes.

Identity and time

Publication numberOT-2026-000075030 · never reused
Internal UUID01a0ae93-ac2d-7097-b286-e7f71b17dd7f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075030
StatusPUBLIC

Content hashes

Canonical textdcb4afb6a6d3a372fbc6cba8ef6bf3ad21f4f6cb6c52834c5524a3b5b91a2bcd
Markdown388f38e525d6a72ae9738d295d3e43de60607082990b1b5e31ab946b905f4582
PDF
Publication page37f5da1c05cbb5b279dbbeef61bfcdd06c0e77b57324b24c3cc0397d985ab525
Manifestf11cff9f6294272e40c7090af8bbfaff2a43921b9236da91ce67e8bc09cf668c

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
SignatureEjjVoRLmRcRW0F1g677DXD1XZOpTeaTjp83CZFL7e0Y/4qrXnGTCBU32X02aTnEUCaYvPzKlyzN1JZFPa9CzCg==
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

2026-09-17T10:18:50.575575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075030
observed 37f5da1c05cbb5b279dbbeef61bfcdd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:50.558366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075030/manifest.json
observed f11cff9f6294272e40c7090af8bbfaff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:50.540124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075030/publication.md
observed 388f38e525d6a72ae9738d295d3e43de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:50.522288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075030/publication.txt
observed dcb4afb6a6d3a372fbc6cba8ef6bf3ad...
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.