OpenTechnical

OT-2026-000098831

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, two stage ejector, manifold pressure sensor, sustained 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-2026-000098831) never changes.

Identity and time

Publication numberOT-2026-000098831 · never reused
Internal UUID01a0aea2-42b0-7475-a306-0fcb52aa717b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:04.634453Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098831
StatusPUBLIC

Content hashes

Canonical textd4abad143e5b1667b09154c7ec56656950b6fc5589eaa4be7eefe7bee26562d2
Markdown4b010e8fcf8d5c06d953ad6dde40ed39b803eeb0e997ef7c648ae8db5af34014
PDF
Publication pagef77d78ac8cd25205f47775d150ec04da38a99f14e4ba5821190b1946d3e11678
Manifestd7a0953b6289e574bc51d7e781d7e6716ea7c495a7a8cbee7d72c918134eb622

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
SignatureBXpkyeb1YeZj620th1Jo+JogeOsCzAISaT6dr9b5Z6gRmGR6Na/2qPdAL+KSM8IfKurb8bRb83W4bO59C+mpCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:31:10.217090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098831
observed f77d78ac8cd25205f47775d150ec04da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:10.200200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098831/manifest.json
observed d7a0953b6289e574bc51d7e781d7e671...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:10.182437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098831/publication.md
observed 4b010e8fcf8d5c06d953ad6dde40ed39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:10.165913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098831/publication.txt
observed d4abad143e5b1667b09154c7ec566569...
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.