OpenTechnical

OT-2026-000087194

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, two 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-2026-000087194) never changes.

Identity and time

Publication numberOT-2026-000087194 · never reused
Internal UUID01a0ae9a-9f2e-70af-bbf2-e3c0e2f54718 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087194
StatusPUBLIC

Content hashes

Canonical textd4ea7594992b920567cface517c6a17254fad92b7ecab326c5842cad58fe6ec3
Markdown520ebfe1980c3ba5d982a8e8fbd3420f6b77d23cceb6b5d05753251cfebadd8c
PDF
Publication pagea297175b6c301545b3b6ee18e2528c4dbb189992a21608f84c31f02e93641d38
Manifest272120ed4c2a012fcf8bcad788d9e92bd4037ea6645c7c46a4cff8c62720def1

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
SignatureVQLs5mhzZPQod2UPZHqWmEdSI9FtAy4RnMGLUksC2SNBsymG9TmDleTKBYKokSkrijTZLYgIEtgX6nKcRCIpAw==
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

2026-09-17T09:51:28.237369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087194
observed a297175b6c301545b3b6ee18e2528c4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:28.220020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087194/manifest.json
observed 272120ed4c2a012fcf8bcad788d9e92b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:28.200746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087194/publication.md
observed 520ebfe1980c3ba5d982a8e8fbd3420f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:28.182531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087194/publication.txt
observed d4ea7594992b920567cface517c6a172...
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.