OpenTechnical

OT-2026-000074771

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, manifold 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-2026-000074771) never changes.

Identity and time

Publication numberOT-2026-000074771 · never reused
Internal UUID01a0ae93-ac2c-765b-a2ba-dbd0e30f4260 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074771
StatusPUBLIC

Content hashes

Canonical text3072a5d39a0162febbef166438e309775088148a5e452f642e0ef493a3fd5cfd
Markdowndd2a77a9bf98449abeb2d7a2efee47c83ba2691fa152d3167c1c237cd1819495
PDF
Publication pagecc3a4180e6934bcf7d26f46fa8d679e1eaf994689b4cef62465c2e97eb244466
Manifeste1bac558d8b38f03dd8b392ed9e71f83a28d1a45b0696ec29fc44877a46dadd3

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
SignatureUNE6pmmVrU1qiLcCiBWiQN6oWvkiLtYxHuilC7xCv2X5bA1BvnbjT6zK1LmIxJTqlrQBRqhJGAlJNYxzPs1MDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:18:27.935698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074771
observed cc3a4180e6934bcf7d26f46fa8d679e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:27.917981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074771/manifest.json
observed e1bac558d8b38f03dd8b392ed9e71f83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:27.899432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074771/publication.md
observed dd2a77a9bf98449abeb2d7a2efee47c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:27.881631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074771/publication.txt
observed 3072a5d39a0162febbef166438e30977...
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.