OpenTechnical

OT-2026-000050801

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three 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-2026-000050801) never changes.

Identity and time

Publication numberOT-2026-000050801 · never reused
Internal UUID01a0ae82-c7b2-7923-b60f-e797cf13e164 · 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-2026-000050801
StatusPUBLIC

Content hashes

Canonical textf3904e3c24e3b53945e76757ba96fe378338c9f6c95b8a03cc08ec3f0cd0937f
Markdowncef5782458681ec3a65a3979065ded8a02c16155778096b097c5b41eb3b65c0e
PDF
Publication page41f5f81f6e72ae66e7ee52abf41324796eb5d7a29d9c1b7dba60599a27d0123e
Manifest61b4fbce7342e5671f0f163506c3663af217345205bfa50beee0458483137aa1

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
SignatureE6D7YfHQLy0ETYnu42N0DtnR8isVtzoVXliK1Pv4iI98uVG/zJf4lSF/gqu13cNg4sg8YjrgRxGpG3pTGH2aBw==
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

2026-09-17T11:00:19.803512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050801
observed 41f5f81f6e72ae66e7ee52abf4132479...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:19.775300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050801
observed 41f5f81f6e72ae66e7ee52abf4132479...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:19.774846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050801/manifest.json
observed 61b4fbce7342e5671f0f163506c3663a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:19.745021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050801/publication.md
observed cef5782458681ec3a65a3979065ded8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:19.743461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050801/manifest.json
observed 61b4fbce7342e5671f0f163506c3663a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:19.715832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050801/publication.txt
observed f3904e3c24e3b53945e76757ba96fe37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:19.713887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050801/publication.md
observed cef5782458681ec3a65a3979065ded8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:19.690956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050801/publication.txt
observed f3904e3c24e3b53945e76757ba96fe37...
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.