OpenTechnical

OT-2026-000040040

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000040040) never changes.

Identity and time

Publication numberOT-2026-000040040 · never reused
Internal UUID01a0ae79-26fc-75ac-871f-58d2f06500db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040040
StatusPUBLIC

Content hashes

Canonical text5fe56990fd98a05e70902799320e067de09ca3d2750567b6c5d02da2d43ca9ad
Markdown492a0fd2ac08ec682c5956f83a0656ccc50c2e3bb0d10fce3cb8e29d35411de6
PDF
Publication page6b37a567407bc55a4a8fbb6e54d5437fe2ecfc7b738e836e983ae2b157f9d065
Manifest8b45fc999ba640bf5da615694fc1b07c068b72bf52d51ae5ef9a6fd560cf060c

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
SignaturecUn/5ITIoZ8dfmdLHVUzoQIhjGU7578o5zZ/iqG3YLRc+1OYPg7vlz3flcpHkwQyelPSv2S3YqDljxsCG5mVAA==
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

2026-09-17T11:20:34.724674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040040
observed 6b37a567407bc55a4a8fbb6e54d5437f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:34.703274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040040/manifest.json
observed 8b45fc999ba640bf5da615694fc1b07c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:34.685316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040040/publication.md
observed 492a0fd2ac08ec682c5956f83a0656cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:34.665941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040040/publication.txt
observed 5fe56990fd98a05e70902799320e067d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:52.650943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040040
observed 6b37a567407bc55a4a8fbb6e54d5437f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:52.634799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040040/manifest.json
observed 8b45fc999ba640bf5da615694fc1b07c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:52.618121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040040/publication.md
observed 492a0fd2ac08ec682c5956f83a0656cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:52.600517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040040/publication.txt
observed 5fe56990fd98a05e70902799320e067d...
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.