OpenTechnical

OT-2026-000023380

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000023380) never changes.

Identity and time

Publication numberOT-2026-000023380 · never reused
Internal UUID01a0ae70-7268-7951-ad2f-5c0a27a9d229 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023380
StatusPUBLIC

Content hashes

Canonical text594ae6133741a33093167665941abf91f659e6da8982c6ff37757029d3597fa6
Markdownd30e9321e138a2bacf9cc63e638314da89315751669106a929ded15182701a64
PDF
Publication pageb91b001f3ffe5f638ad5a7f268fbd670fee010c759958ceff310cbfe37af3696
Manifest46a517a4a9ca6da9c84d9740f9ac6206206311a416218329dace066135cb0d83

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
SignaturecbTgHtELUNjknrTxfn9bwhtTiC/0nfEiN3DV8doUrugCKJHHN2FPIaVzT0Dr3Krayu4A1ja1KHTkkhI/IkjvCg==
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

2026-09-17T11:51:34.684873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023380
observed b91b001f3ffe5f638ad5a7f268fbd670...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:34.666754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023380/manifest.json
observed 46a517a4a9ca6da9c84d9740f9ac6206...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:34.644967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023380/publication.md
observed d30e9321e138a2bacf9cc63e638314da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:34.625152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023380/publication.txt
observed 594ae6133741a33093167665941abf91...
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.