OpenTechnical

OT-2026-000061216

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, supply line pressure sensor, 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-2026-000061216) never changes.

Identity and time

Publication numberOT-2026-000061216 · never reused
Internal UUID01a0ae8b-1381-7b24-b1ba-7aacf5b6d151 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061216
StatusPUBLIC

Content hashes

Canonical text9ea985d1e5c2063968f51af5fa932b1fd6ec5a30b0e7346fa84f6ae8dfabac5a
Markdown154657f6b57058a10fd8d94e74487df784dc164e9b1fc2ddf1db88199cde6f74
PDF
Publication page4498303d23818746e50d009876a742ce7257064c83333cbf8769db26f9d339bd
Manifestc5b04d1790fe96ea6f8a5faa75fbbcbdbb0b85c10cde47643c14134e09f11d2c

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
Signaturek1G3mLOGBGwjzSMnNs4TN05N5Bh8P2vqHfFLEnIwbWyb41V7QBXvrU6F/qfUjjNSDKwaGsegc/xhSRWu3HbFCw==
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...

Independent retrieval

2026-09-17T10:42:37.178472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061216
observed 4498303d23818746e50d009876a742ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:37.159189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061216/manifest.json
observed c5b04d1790fe96ea6f8a5faa75fbbcbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:37.138623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061216/publication.md
observed 154657f6b57058a10fd8d94e74487df7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:37.120672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061216/publication.txt
observed 9ea985d1e5c2063968f51af5fa932b1f...
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.