OpenTechnical

OT-2026-000055996

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, sustained 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-2026-000055996) never changes.

Identity and time

Publication numberOT-2026-000055996 · never reused
Internal UUID01a0ae87-0a4a-7583-bc4d-67277883dcec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055996
StatusPUBLIC

Content hashes

Canonical texte0cdcc57df66851e70faae46129a696dcc83ef74d62513973eb6467e863f3081
Markdown6d32d668fe922d996d502b1eea9cb65d364557331590074d84f886333f319533
PDF
Publication page794a5a35652a4c5d3a34de298378f4e219f5cdd8009f297b40c95683c268be2c
Manifestecfa13dbf23c80f944a2e66ec41ec25eb7e258b231a127cb18149a6d77b62a9a

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
SignatureEgrhKtge8EcdI45HN6l8YMJLp/M7UnZSqxSwt1YIRag8MtfUtK4VPtQwmJCf4RMnNwbg53zt6ItNrDKs8vljCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:27.101543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055996
observed 794a5a35652a4c5d3a34de298378f4e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:27.068108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055996/manifest.json
observed ecfa13dbf23c80f944a2e66ec41ec25e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:27.049813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055996/publication.md
observed 6d32d668fe922d996d502b1eea9cb65d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:27.015397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055996/publication.txt
observed e0cdcc57df66851e70faae46129a696d...
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.