OpenTechnical

OT-2026-000050805

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-2026-000050805) never changes.

Identity and time

Publication numberOT-2026-000050805 · never reused
Internal UUID01a0ae82-c7b2-7179-a402-d7f99f3a390d · 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-2026-000050805
StatusPUBLIC

Content hashes

Canonical text277a2001bf36927857ca75a92d37906efb703c47261e66164be604aef73f0000
Markdown298aeac84e62618572ec642679738e0d24b236ae54aabdd19fd58f1ea5b2448e
PDF
Publication page9bb4358866858c9b845a64aa18691db8d5137575f3cf2ee319fdaf99d510bfaf
Manifest3eb4650bedafa061a955a75c59ce1dfa6f1c400956e7f16128145828580951ad

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
SignatureK7Gf+w2TeEWAp3cgz5gYGNrMHMCUDcint+SI6wpybFj2BurN0v3+vzUK0ZrG3XmW86mEsc+4uO+m25Vf5EEfCQ==
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

2026-09-17T11:00:20.290240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050805
observed 9bb4358866858c9b845a64aa18691db8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:20.289351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050805
observed 9bb4358866858c9b845a64aa18691db8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:20.260177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050805/manifest.json
observed 3eb4650bedafa061a955a75c59ce1dfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:20.254104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050805/manifest.json
observed 3eb4650bedafa061a955a75c59ce1dfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:20.222414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050805/publication.md
observed 298aeac84e62618572ec642679738e0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:20.221003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050805/publication.md
observed 298aeac84e62618572ec642679738e0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:20.182296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050805/publication.txt
observed 277a2001bf36927857ca75a92d37906e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:20.179599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050805/publication.txt
observed 277a2001bf36927857ca75a92d37906e...
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.