OpenTechnical

OT-2026-000050957

Publication integrity record

Four cup vacuum gripper, four 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-2026-000050957) never changes.

Identity and time

Publication numberOT-2026-000050957 · never reused
Internal UUID01a0ae82-c7b4-7bda-94de-2293fd4d334c · 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-2026-000050957
StatusPUBLIC

Content hashes

Canonical texta5ea5174b13c84a60c6d71b515573e6421c6b8b1a435f590395192a228605989
Markdown0691f92ce2bf27ec50dc6696c8dd77978e8b8005b8b43e2d462df098a24e219d
PDF
Publication page90ed8b06609e08e8b66e4457fe0d8c5e63f4a96cfafad29089053f4f82ddfb5d
Manifestcd234ac323eac2be77704e367f38621634df203333245da14e1347418f66baf2

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
SignaturemArEoFAp+hjxIX7YrWF7vsb/VtbJ7l0PlgIv9JDW2Pc/8BDqR6T0soWNO7RWJRbxqc1etss2thBSnNr94yRCAg==
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

2026-09-17T11:00:44.027790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050957
observed 90ed8b06609e08e8b66e4457fe0d8c5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:44.013245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050957
observed 90ed8b06609e08e8b66e4457fe0d8c5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:43.969735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050957/manifest.json
observed cd234ac323eac2be77704e367f386216...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:43.967957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050957/manifest.json
observed cd234ac323eac2be77704e367f386216...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:43.934822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050957/publication.md
observed 0691f92ce2bf27ec50dc6696c8dd7797...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:43.934606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050957/publication.md
observed 0691f92ce2bf27ec50dc6696c8dd7797...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:43.895235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050957/publication.txt
observed a5ea5174b13c84a60c6d71b515573e64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:43.891095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050957/publication.txt
observed a5ea5174b13c84a60c6d71b515573e64...
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.