OpenTechnical

OT-2026-000064448

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000064448) never changes.

Identity and time

Publication numberOT-2026-000064448 · never reused
Internal UUID01a0ae8d-a461-7d1c-a8f3-b84aec34354c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064448
StatusPUBLIC

Content hashes

Canonical textb0108f47bbb8bd4c89b1ed8f99fa645c3fe0eeeab24d949a1dc9742d57f2b181
Markdown2e496d0d8f811f0a5c5bf419e0d68f4c1af01a1e7705b186e68fe1ff9091ca98
PDF
Publication page88264f806ce8e785b374fd23c5e937231a6d08d3d9f9f0dc27f213c1494f5ee1
Manifest2ce65945c04304c53d4134d7033a9076a64199de23f82c5cf8ae3123fc4cd8d7

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
SignatureX9A+jY3VVBuxlJT2FLhGeB8EqSiKI2s1P/UoyBG+75cv5C87F1Ug2tSqtKZYHmgQrCp6g7k2UVALZQbuWSYhBw==
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

2026-09-17T10:36:38.132426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064448
observed 88264f806ce8e785b374fd23c5e93723...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:38.115145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064448/manifest.json
observed 2ce65945c04304c53d4134d7033a9076...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:38.097538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064448/publication.md
observed 2e496d0d8f811f0a5c5bf419e0d68f4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:38.079980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064448/publication.txt
observed b0108f47bbb8bd4c89b1ed8f99fa645c...
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.