OpenTechnical

OT-2026-000041813

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, sustained 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-2026-000041813) never changes.

Identity and time

Publication numberOT-2026-000041813 · never reused
Internal UUID01a0ae79-e8a4-7037-b9cc-bce95a87b0a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041813
StatusPUBLIC

Content hashes

Canonical textd02685f27b165050c5e00975936e9b9c641cbffb7627230ed119a271a360bdc4
Markdown28cd33b5e2739bfa0dbc5823129f36bd17be52bb486e1deb718f6ea7b9a21730
PDF
Publication page95c29ef5d4edff6ca8acf8ae51c6628d00df293a7a3835c535c6653eb446d4e0
Manifest1bf63b9c91bd1da39dfe523da46cfe9ed6d790a98fe0f750ada6085419971e88

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
Signature4L9Xp+bfqRrwTAi5oGKKq9K0+QOYKpTB9nMZupqGpxbdyRwvUjumF1AUqjAJL1RStbmKLtAodHVCGU4TurAtAg==
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

2026-09-17T11:16:40.432766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041813
observed 95c29ef5d4edff6ca8acf8ae51c6628d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:40.415904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041813/manifest.json
observed 1bf63b9c91bd1da39dfe523da46cfe9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:40.398205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041813/publication.md
observed 28cd33b5e2739bfa0dbc5823129f36bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:40.381417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041813/publication.txt
observed d02685f27b165050c5e00975936e9b9c...
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.