OpenTechnical

OT-2026-000048156

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold 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-2026-000048156) never changes.

Identity and time

Publication numberOT-2026-000048156 · never reused
Internal UUID01a0ae80-4de2-7e4f-ba23-bb897165e66c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048156
StatusPUBLIC

Content hashes

Canonical texta1d9a34b3766c8ec54d78449946874c0b131426f1d8e1218def051609bda19f8
Markdowndcb22c7ce7e4fd0ba75c3801c0d8a81d3d69302291184f476281a42c2c3609b5
PDF
Publication page262c408f9d1b02bc818d328c0310f20547d14a2b080c5e83835700664b25a3d1
Manifestd2ec05700940274e071d27005fa2e6d86add03ead86171ff068bbf7f7720185b

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
SignaturexTsGCLVpc88Hjlm8sA6IMYDkCbm75XECMxU6hsSHAeUCoh4OpuhjNnOZNNe0SLEyn9Zy+8so9PyqRftfi2oeAg==
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

2026-09-17T11:04:41.016705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048156
observed 262c408f9d1b02bc818d328c0310f205...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:40.996331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048156/manifest.json
observed d2ec05700940274e071d27005fa2e6d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:40.978473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048156/publication.md
observed dcb22c7ce7e4fd0ba75c3801c0d8a81d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:40.960426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048156/publication.txt
observed a1d9a34b3766c8ec54d78449946874c0...
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.