OpenTechnical

OT-2026-000050753

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, vented before set-down, on a tool changer

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-2026-000050753) never changes.

Identity and time

Publication numberOT-2026-000050753 · never reused
Internal UUID01a0ae82-c7b1-7a8a-8c63-09c14a82e290 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050753
StatusPUBLIC

Content hashes

Canonical textf1f70c3dad5fd858349c89230779b09ff412b462180de4df03ead2b0213b4671
Markdown3e971c79ae337b1947a9cd316d4d31bd600a8796b64bdd21cf4300a28fd067aa
PDF
Publication page97b7b8eb2d18acfc6fffc0eb63bb1022198411df9619d0e8b53bd4f1fdd2c718
Manifested84fadf38c8376abefbe0a8dfe3dcc86b57e17a09b909259cc146009b9d3df3

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
SignaturelrGUB/5Sta2oblzf5BDf9rOMvMaFMhJwARASUDTdkosL8YT4P39LaExL+AAKjCchFnCFJJFuvS2CsAm4lRBTBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:00:08.225835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050753
observed 97b7b8eb2d18acfc6fffc0eb63bb1022...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:08.200088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050753
observed 97b7b8eb2d18acfc6fffc0eb63bb1022...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:08.197703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050753/manifest.json
observed ed84fadf38c8376abefbe0a8dfe3dcc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:08.178242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050753/manifest.json
observed ed84fadf38c8376abefbe0a8dfe3dcc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:08.170761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050753/publication.md
observed 3e971c79ae337b1947a9cd316d4d31bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:08.156526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050753/publication.md
observed 3e971c79ae337b1947a9cd316d4d31bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:08.149876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050753/publication.txt
observed f1f70c3dad5fd858349c89230779b09f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:08.136748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050753/publication.txt
observed f1f70c3dad5fd858349c89230779b09f...
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.