OpenTechnical

OT-2026-000069710

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, 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-2026-000069710) never changes.

Identity and time

Publication numberOT-2026-000069710 · never reused
Internal UUID01a0ae90-b52c-73ea-9290-f6cdfdd00d9f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069710
StatusPUBLIC

Content hashes

Canonical textd64719e71092ce14712d2c2a59539973fe40e9b5f5fa684f8b7fbb7fa6d8697b
Markdown6b4d59b42ff24fdde3ee57ed73fb22a785ba4cd3179d14bcb788048155748c0e
PDF
Publication paged133654af8c646d8f25918c483ee5aa591fe49e17146716c86e50b46eee70dc1
Manifest595f6eab20923f53217ff4c33ac4d8071ff910c628331fbb2b08a2a4933c6b64

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
SignaturewlZs5nrjCTbotm6roVRz3Afl8+zjXWk+UIOYtx702CtUVKbzK5lLeQefFyufrpdThCe5ph6QN9uvdfS7z7Q9Cw==
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

2026-09-17T10:28:28.701473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069710
observed d133654af8c646d8f25918c483ee5aa5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:28.681587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069710/manifest.json
observed 595f6eab20923f53217ff4c33ac4d807...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:28.661116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069710/publication.md
observed 6b4d59b42ff24fdde3ee57ed73fb22a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:28.642218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069710/publication.txt
observed d64719e71092ce14712d2c2a59539973...
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.