OpenTechnical

OT-2026-000078936

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, 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-2026-000078936) never changes.

Identity and time

Publication numberOT-2026-000078936 · never reused
Internal UUID01a0ae95-ccbe-7146-8cfd-0ddba39c8a72 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078936
StatusPUBLIC

Content hashes

Canonical text05691770eb29b30fdc7fedfe6cab540104694be3504712825822b5c045a61093
Markdown1811012cd86701a0a32cae5a18cf48b83c2493ef06298acd4c8f49aeb6de6373
PDF
Publication pagefbb63c6ee58172b350c94b0a206f337402d44258c3508a4dd1b1f043f68ad251
Manifest38ae3710f59a96490a7364bf200c70793df1ebb9540435fdb58fd875047d0a0b

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
Signature7QPf4WWjocVZiTUO727eIFRm69ib6fIReGUTCpzhQIQv3WzLhb0BOrFEkwsfDdPIlFY1JwHCNtdeFaDCwyCQCw==
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

2026-09-17T10:05:45.606682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078936
observed fbb63c6ee58172b350c94b0a206f3374...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:45.587722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078936/manifest.json
observed 38ae3710f59a96490a7364bf200c7079...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:45.569489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078936/publication.md
observed 1811012cd86701a0a32cae5a18cf48b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:45.552596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078936/publication.txt
observed 05691770eb29b30fdc7fedfe6cab5401...
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.