OpenTechnical

OT-2026-000029700

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, sustained blow-off before 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-2026-000029700) never changes.

Identity and time

Publication numberOT-2026-000029700 · never reused
Internal UUID01a0ae73-5e23-76f3-baba-c4e4d4d390cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029700
StatusPUBLIC

Content hashes

Canonical text0331b34fa32e7fb56e2ce8af6fe0e2cfca699120f9b143bea4c97ab567c3c0cd
Markdown04af101eec670c80f5e403eea6460eaca9ab2bad96a1852bb5663a4249e8fda8
PDF
Publication pagee8d21aff87bf274c2485d248598bce4a177ef0e6a10646ddb2f01fca86aec0d5
Manifest9701d9c9757179fa9c09d77a15cd06112dc14e4071d95797244089ccf36575fe

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
SignatureRf+CZ0/j5YA5pykz2wZPag+bviae1ov1I6lo2TcFHy1DpRDlA7ynSQsW07bPCGS/VIBtRAKIL7cyUgDuwIl6Dg==
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

2026-09-17T11:39:25.763498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029700
observed e8d21aff87bf274c2485d248598bce4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:25.743434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029700/manifest.json
observed 9701d9c9757179fa9c09d77a15cd0611...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:25.722956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029700/publication.md
observed 04af101eec670c80f5e403eea6460eac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:25.700282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029700/publication.txt
observed 0331b34fa32e7fb56e2ce8af6fe0e2cf...
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.