OpenTechnical

OT-2026-000056176

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, sustained blow-off after 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-2026-000056176) never changes.

Identity and time

Publication numberOT-2026-000056176 · never reused
Internal UUID01a0ae87-0a4c-7f9a-885b-039663cb3ce5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056176
StatusPUBLIC

Content hashes

Canonical text866f4096337250c03a928937802bd470eb1c5abf5bcaa7a6146d0c1f035a0d3a
Markdown714fc411082db7b66b9db18add56f28b51864e49a1357707c46d04ede6b02d6a
PDF
Publication pageb5c919340091e440c556adb71e638306f796cb0248fc4a6d36a6610a4e3579c0
Manifest9bc9cff80646983b19596f010ef9f8d169f3b5836a78e01984f3032cf2a4b460

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
SignatureIRu3HlzeHSjU0U++mjDGCRHRuKElM6+uCOuuvC1v6gaHB3NprJtuDohR9FUukeUZAp1cAsoEBY5nfaKv2tAXDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:44.239326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056176
observed b5c919340091e440c556adb71e638306...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:44.222427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056176/manifest.json
observed 9bc9cff80646983b19596f010ef9f8d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:44.205662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056176/publication.md
observed 714fc411082db7b66b9db18add56f28b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:44.187166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056176/publication.txt
observed 866f4096337250c03a928937802bd470...
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.