OpenTechnical

OT-2026-000078977

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000078977) never changes.

Identity and time

Publication numberOT-2026-000078977 · never reused
Internal UUID01a0ae95-ccbe-71c9-a84e-96f3d8beaeff · 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-2026-000078977
StatusPUBLIC

Content hashes

Canonical textde58b172f55375ca01d7baf50c053e33beaf7eb006009df042001721f19fc0e6
Markdownb15ca262be88c3cb62f92e867f4039fb8c6bdff2cbd9442c0d090b1bbd01e803
PDF
Publication page9cf38d9489be1c5a785bbe8c6216223824f1c668ab43ad09b61cc71f887f091b
Manifest1c38a5a53e69df49bf8d3e0860c47f78eb2018a018c0e012efa62e90f8d1a6cb

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
Signaturebv1I+eVcbeXh8GJp3yWgbvXEXuS3VawOIQ8wXskslrGrXs2TjPaeiut0RTPbnvvDhFMoASIesAoQ9a5n3qWKDA==
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

2026-09-17T10:05:48.262668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078977
observed 9cf38d9489be1c5a785bbe8c62162238...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:48.246925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078977/manifest.json
observed 1c38a5a53e69df49bf8d3e0860c47f78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:48.231229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078977/publication.md
observed b15ca262be88c3cb62f92e867f4039fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:48.213017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078977/publication.txt
observed de58b172f55375ca01d7baf50c053e33...
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.