OpenTechnical

OT-2026-000069682

Publication integrity record

Single bellows cup vacuum gripper, single 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-2026-000069682) never changes.

Identity and time

Publication numberOT-2026-000069682 · never reused
Internal UUID01a0ae90-b52c-7b72-93e7-7431e4a4a887 · 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-2026-000069682
StatusPUBLIC

Content hashes

Canonical texta9df46a01b8ffeb9b588938a790a0c3e5a0eedc49e05f9728a588c3ab45beeac
Markdown832ecd2727d77fb6d7a795f708f36dd61101c3acce9936c6b51d8d78467c96a6
PDF
Publication page8472d463098f29005ffba7ac510f151eecd3550b74c804032874a9f9c06a9957
Manifestc45e35eccbe3870dc003e55e1e8d29a30cdabfbdde6b0b6e35e5d4e360694d73

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
Signature5E0jqOMeV7iGbzJ7uTKDE2wZTsQbY2u4KhH8N9PT6L1EVe9y6N1v3y1uiNVsqGMHZOf0W8tZ9bau3RhgPve1DA==
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

2026-09-17T10:27:16.589820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069682
observed 8472d463098f29005ffba7ac510f151e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:16.571189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069682/manifest.json
observed c45e35eccbe3870dc003e55e1e8d29a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:16.546805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069682/publication.md
observed 832ecd2727d77fb6d7a795f708f36dd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:16.523785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069682/publication.txt
observed a9df46a01b8ffeb9b588938a790a0c3e...
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.