OpenTechnical

OT-2026-000053365

Publication integrity record

Single cup vacuum gripper, pump fed, supply line pressure sensor, vented before set-down

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-2026-000053365) never changes.

Identity and time

Publication numberOT-2026-000053365 · never reused
Internal UUID01a0ae85-0a8f-7c6a-a369-66a80e0d3648 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053365
StatusPUBLIC

Content hashes

Canonical textf68f5b56f08e0874c728d811bc366a4418f83c870def4d8b8c0c96d5715a911f
Markdown333f328f6ab26657baf2a4f3fb021756a55a813c2971b30fd551d68f4265c61f
PDF
Publication page10d172345fa3034329ad1904909bddbd7d6679d9022471b335aac697983010cf
Manifest6b9e59a31e1f63ef909adb1f3ac180b1e3719e5765176d3853afd5538c3ad4c3

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
SignatureYYkudG2PRzGT0Aynbe7kfe/XcY9seXCT1xZodFfKjqXp+POcKVUnwiGpxdH7Q/ACuMGKLQ2sTYe7InsXrULUAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:04.820434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053365
observed 10d172345fa3034329ad1904909bddbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:04.803069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053365/manifest.json
observed 6b9e59a31e1f63ef909adb1f3ac180b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:04.785524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053365/publication.md
observed 333f328f6ab26657baf2a4f3fb021756...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:04.767311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053365/publication.txt
observed f68f5b56f08e0874c728d811bc366a44...
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.