OpenTechnical

OT-2026-000078796

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, vented 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-2026-000078796) never changes.

Identity and time

Publication numberOT-2026-000078796 · never reused
Internal UUID01a0ae95-ccbd-7977-bbe4-fc4666ef2108 · 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-2026-000078796
StatusPUBLIC

Content hashes

Canonical text48c51cb928a01445feabf5325702d79476d96033eea119322c06d1ece95e0c5e
Markdownee639fb5a0350bebfc195b6ebf32065cfd3e0b8945d43987985adde674754f9d
PDF
Publication page4aa10c6316e2cb1d9d9b74d8729e8e747ea52e79ce1ef11c3eac0a4d77a65dae
Manifestbe1dad84a07f78cf4e7cae2151b0d0d80f10801cafe66ac35871bfeb9df7371f

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
Signature/FPcG84OipR0ftNErSKTGJspJH4Z/ko1lerxOjCIo8Jb3/o4wA2g0bclCgb3FzM0mW37WTzVjQ2uhd8z1LLECw==
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

2026-09-17T10:05:21.527539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078796
observed 4aa10c6316e2cb1d9d9b74d8729e8e74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:21.509688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078796/manifest.json
observed be1dad84a07f78cf4e7cae2151b0d0d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:21.491291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078796/publication.md
observed ee639fb5a0350bebfc195b6ebf32065c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:21.473353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078796/publication.txt
observed 48c51cb928a01445feabf5325702d794...
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.