OpenTechnical

OT-2026-000038744

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, supply line pressure sensor, sustained 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-2026-000038744) never changes.

Identity and time

Publication numberOT-2026-000038744 · never reused
Internal UUID01a0ae78-769e-7a59-ba83-dbb9e5228396 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038744
StatusPUBLIC

Content hashes

Canonical textb763df93b2a1186a8cabf55585c2a003fcff9be7f9818807f433c39d1bc9e46e
Markdown39fd45c3907e604f416d3a61cde0ee156b463a72e9ceea98499051871f459b10
PDF
Publication pageb9651bb640a45c671de4ec27d5f9fc92ee5124af9cab5cb3c9ce5283f7e094dc
Manifestd7f32e9906147575542df74547078212f19daecdb8c0f031e0a4b8cd9d95f5df

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
Signaturefi1dhPCFaRkfapx7zeKBqsxII1e8aYWrGgbJ9k9HnZvdHXnacfxeRJZqMnGw6lnbA34n5kGKMNE4YreZjN+eBA==
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

2026-09-17T11:21:16.686889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038744
observed b9651bb640a45c671de4ec27d5f9fc92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:16.668943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038744/manifest.json
observed d7f32e9906147575542df74547078212...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:16.650107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038744/publication.md
observed 39fd45c3907e604f416d3a61cde0ee15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:16.630052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038744/publication.txt
observed b763df93b2a1186a8cabf55585c2a003...
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.