OpenTechnical

OT-2026-000042876

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, pulsed blow-off after set-down

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-2026-000042876) never changes.

Identity and time

Publication numberOT-2026-000042876 · never reused
Internal UUID01a0ae7a-c0d1-7788-8a69-a21d4beaf9e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042876
StatusPUBLIC

Content hashes

Canonical text3ba83520b248872fef67c7b5fddbe8f9c99b3d24429a6b7777b128b3a54c1072
Markdown9c0c835dca4404b71eac174fca7c30b84bac5caa8c6330ff35cad4a53faab9d5
PDF
Publication page6c0ef0929096af55d60a14f02ad38c29fe4ec7399c179ceb6014d61a45405f02
Manifestb5bc40eb775475ed1aa7e24f8ac0187b54619e512fb73b462f53f1a452e0d588

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
SignatureGHe2FZ+9IjC5pSQFyeEXgLn/krJVIDGtzX+9IUpdar0D+VT5dgzofvlf+yOl26NTHfYOQfyH+8qaDEmBiqTrAQ==
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

2026-09-17T11:15:22.450555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042876
observed 6c0ef0929096af55d60a14f02ad38c29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:22.432863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042876/manifest.json
observed b5bc40eb775475ed1aa7e24f8ac0187b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:22.413233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042876/publication.md
observed 9c0c835dca4404b71eac174fca7c30b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:22.392354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042876/publication.txt
observed 3ba83520b248872fef67c7b5fddbe8f9...
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.