OpenTechnical

OT-2026-000052736

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, pulsed 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-2026-000052736) never changes.

Identity and time

Publication numberOT-2026-000052736 · never reused
Internal UUID01a0ae84-a42d-73b2-8d31-625b6adc59cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052736
StatusPUBLIC

Content hashes

Canonical text93bdcf314b0b4a3fa019b4568849c2cbd06aecdabfe01fffc59fd3b20e4abcc7
Markdown7623cd471fe9882c4fbad1a9a06d5f353a4b7a8cd2be8d3c1e66291e71f421e6
PDF
Publication pagec3960df577535657d21a33a295113c3a33fd45021ef039f050f3e1ef8ad0ba95
Manifest112c91d7b9a3e9ae66e8160a3489f3f6f64df7bef1bac0adeda3c60f644da442

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
SignaturenH71TAbMRh+tjz1wVYE+h+1WzQlgFDBcCVzhc2CHQBm4TeJ3o2Dh2tfcK/UNrlQADQ9z/Ea12lVDtkq9+OHoCw==
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

2026-09-17T10:55:43.938571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052736
observed c3960df577535657d21a33a295113c3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:43.921604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052736/manifest.json
observed 112c91d7b9a3e9ae66e8160a3489f3f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:43.903290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052736/publication.md
observed 7623cd471fe9882c4fbad1a9a06d5f35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:43.883987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052736/publication.txt
observed 93bdcf314b0b4a3fa019b4568849c2cb...
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.