OpenTechnical

OT-2026-000078016

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, vented after 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-2026-000078016) never changes.

Identity and time

Publication numberOT-2026-000078016 · never reused
Internal UUID01a0ae95-2f44-7a49-83b7-fabf3bd60ea0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078016
StatusPUBLIC

Content hashes

Canonical textad6be1bdaf0a1537e7c095f5133ce37abe18d933c9b49d70a22e71708fbb76f7
Markdown9a21652afa18dca599f825992e16ac579ea9b4975bfdcdd50c47026566351189
PDF
Publication page867f22ebb99cad21470f44701b26b5626ead215c262502f98e6784223d7349bb
Manifest6df36ef3073d1a5a6a02540a86b56ac4b1f5f99b95f923a166240afdbc764004

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
SignatureZNuJ6fvmJh9LLrl1J/sBmHJ2Jck5PtiOh+xYMDvDUpA4mvk7f+965Jq7ctwZ34438KJXQSjh99BvJ8cvLp+8Ag==
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

2026-09-17T10:07:00.430081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078016
observed 867f22ebb99cad21470f44701b26b562...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:00.411600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078016/manifest.json
observed 6df36ef3073d1a5a6a02540a86b56ac4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:00.392368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078016/publication.md
observed 9a21652afa18dca599f825992e16ac57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:00.373485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078016/publication.txt
observed ad6be1bdaf0a1537e7c095f5133ce37a...
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.