OpenTechnical

OT-2026-000080133

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, single stage ejector, 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-2026-000080133) never changes.

Identity and time

Publication numberOT-2026-000080133 · never reused
Internal UUID01a0ae96-4378-7503-8c0a-f71d8f44bebe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080133
StatusPUBLIC

Content hashes

Canonical text1389c79fa509b3e406fb6fa212ab1f2f4b6ecf34367ebb3dd071dc0590bb0263
Markdown16a5fe7b070e3c82229d5fa9663b2f04bf6b8b322b84ab1454b6bf4898e26f29
PDF
Publication pagee4fa9b505814cadd52d7954127a23fff9dc71e194d4885b00168ed280c94793b
Manifestc949c716bfb81975e643d7795be73b5f1cc77d3855cc0a3df8526d7183d1cc5c

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
Signature63rV+C9UKdiT7gYZSvQYvTlhRLXyAQmACB5XR9OvT41bq7I8RunN+D3/b7wyjnCD+EkZGMps8yRhYiToXYBFCQ==
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

2026-09-17T10:04:04.857848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080133
observed e4fa9b505814cadd52d7954127a23fff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:04.838247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080133/manifest.json
observed c949c716bfb81975e643d7795be73b5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:04.815008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080133/publication.md
observed 16a5fe7b070e3c82229d5fa9663b2f04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:04.793777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080133/publication.txt
observed 1389c79fa509b3e406fb6fa212ab1f2f...
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.