OpenTechnical

OT-2026-000081278

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000081278) never changes.

Identity and time

Publication numberOT-2026-000081278 · never reused
Internal UUID01a0ae96-f374-78c6-9740-72b37e65fb2b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081278
StatusPUBLIC

Content hashes

Canonical text20e024db5f81aa5978b75fdc9d83bf2dead867bfdbf81d5ee3e8ff739a0c1fac
Markdown1161e69f63d43d92a3ad442ff97ea407343d43307cc14a5b934216f8b2ecdd98
PDF
Publication page9ff449a19f07cb2ff086b548d26e6e7e9d6fdf525f07a202025c0b455742d7c8
Manifest6f108a212220bf5aa525dae8fb885f81e645e02a195b67a895953e4d37cb78a2

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
Signaturec/LD1IB8w6ksrfSEx/sOr1glhFqIH//I9y8XohgbNl+A5FRPHePepE8L+mJDBU4Z0ATwwRrlljsfdVLO8loHAg==
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

2026-09-17T10:01:22.889915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081278
observed 9ff449a19f07cb2ff086b548d26e6e7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:22.869921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081278/manifest.json
observed 6f108a212220bf5aa525dae8fb885f81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:22.848057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081278/publication.md
observed 1161e69f63d43d92a3ad442ff97ea407...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:22.828305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081278/publication.txt
observed 20e024db5f81aa5978b75fdc9d83bf2d...
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.