OpenTechnical

OT-2026-000070592

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-2026-000070592) never changes.

Identity and time

Publication numberOT-2026-000070592 · never reused
Internal UUID01a0ae91-5460-75b2-9e98-787f42d41ee0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070592
StatusPUBLIC

Content hashes

Canonical texte9043acc3e7c9d1fa2183481543c187cb0302bab63bf855a6e0a5574b6b85474
Markdown7dd6132c006467826a0efa9c2f41797aa27c6060eef86cb362c580ceb292e2f4
PDF
Publication pagef098d958e7810e487dfe49e39b27777b0efca151319435ba4454911af11d2b85
Manifest0977d5e9ed954fa04723e68e0fff8d129688a09150a61756ad3b55007997475a

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
SignatureZYLC8Gsxh1omTXtejBRj0XfSjdI1Zj5vJXTu7rfTsYvH9MJ9cna7s82OvRktjUGhUjUrykz+6PbGonMY75znBQ==
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

2026-09-17T10:26:26.959115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070592
observed f098d958e7810e487dfe49e39b27777b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:26.940264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070592/manifest.json
observed 0977d5e9ed954fa04723e68e0fff8d12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:26.922755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070592/publication.md
observed 7dd6132c006467826a0efa9c2f41797a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:26.904396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070592/publication.txt
observed e9043acc3e7c9d1fa2183481543c187c...
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.