OpenTechnical

OT-2026-000011339

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, vented 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-2026-000011339) never changes.

Identity and time

Publication numberOT-2026-000011339 · never reused
Internal UUID01a0ae6c-88fe-73d4-834b-c8218d85d564 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011339
StatusPUBLIC

Content hashes

Canonical text69dab9fa638a9f03d2a39ea2be712404aa0ee417f23647d2b275085a2c935fc1
Markdown1e49ec14d49f202ade3cb4fc4bbe6226db9935ff0c4628102e4c6161545ca30f
PDF
Publication paged82287e9ab1342d2f1a9b80b4a652eb14a5bf09a4440d6e8cf92efde60d95cd2
Manifest4d1c781e79ee72a5200201ab55f9ac6ca0e16799d4c68235d073b59bffac8deb

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
SignatureiT4ICU5efG/8a7swM7YutXYZIASLUqL2slxi2rRHV+GvhH0Zm2gZHBcgjXWpmisNfnhg9VVtcxsDORftl+/JBQ==
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

2026-09-17T12:13:04.048584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011339
observed d82287e9ab1342d2f1a9b80b4a652eb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:04.029513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011339/manifest.json
observed 4d1c781e79ee72a5200201ab55f9ac6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:04.010857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011339/publication.md
observed 1e49ec14d49f202ade3cb4fc4bbe6226...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:03.989660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011339/publication.txt
observed 69dab9fa638a9f03d2a39ea2be712404...
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.