OpenTechnical

OT-2026-000078883

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, two stage ejector, pressure sensor per zone, pulsed 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-2026-000078883) never changes.

Identity and time

Publication numberOT-2026-000078883 · never reused
Internal UUID01a0ae95-ccbd-759a-a646-8b999a3a2f45 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078883
StatusPUBLIC

Content hashes

Canonical text7a22c3efa2c74e1e5a973127d3d5db0fc77689f115064c5b3ef32e9fe2623efe
Markdown235daaa80a3a6440cab9a2c5dbdf870807771d8b0fc5a8314c8591dcd51f710e
PDF
Publication pagef0616ab0e7a9c4d7af7e43075ce2e9afd1b6fe6ff9fdcf080f183a8a87571c2d
Manifestc1ba4bfdbcd88c7cff1cf1f47668a8cd6086fb9afc79f8eea2da1691f31bd3bd

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
SignaturehfFeNqAgeGL3ElZbcKj6mxoLgGuKSimAmpw4920ZhGdb7pYRBPPHFpt8JNRssw3TYlSaiy7vxNk+JeO6VEP2Cw==
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

2026-09-17T10:05:41.346060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078883
observed f0616ab0e7a9c4d7af7e43075ce2e9af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:41.328584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078883/manifest.json
observed c1ba4bfdbcd88c7cff1cf1f47668a8cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:41.306723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078883/publication.md
observed 235daaa80a3a6440cab9a2c5dbdf8708...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:41.287382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078883/publication.txt
observed 7a22c3efa2c74e1e5a973127d3d5db0f...
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.