OpenTechnical

OT-2026-000048720

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three stage ejector, 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-2026-000048720) never changes.

Identity and time

Publication numberOT-2026-000048720 · never reused
Internal UUID01a0ae80-c32b-7487-805c-2b2f34149e90 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048720
StatusPUBLIC

Content hashes

Canonical text91b15373afaea159e747d73076ca397b6f24c7b153d053d0015dcab606ac9723
Markdowne2f6faba7232e4ab30a15fe28589da058bec79067a894c35e95702ab954d0215
PDF
Publication pagebd33048c2ffee9df9d76ddb27328464dd9bf18161db3f5d5e4af317562ddd08d
Manifest8ccb14aa0f10f8a09c48759cbb15c5c99898e5d826cb3ebe219837a149c812ae

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
SignatureWtFh9H7hA/6QlX3/S8hP50FhVSEIGYlCsz8KP4CRJEwhr/5DtEltvr2qJiR1cI76yl2dgfc2QXzVHOblAIgJBQ==
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

2026-09-17T11:04:22.012291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048720
observed bd33048c2ffee9df9d76ddb27328464d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:21.992486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048720/manifest.json
observed 8ccb14aa0f10f8a09c48759cbb15c5c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:21.963991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048720/publication.md
observed e2f6faba7232e4ab30a15fe28589da05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:21.932738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048720/publication.txt
observed 91b15373afaea159e747d73076ca397b...
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.