OpenTechnical

OT-2026-000099981

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, two stage ejector, pressure sensor per zone, 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-2026-000099981) never changes.

Identity and time

Publication numberOT-2026-000099981 · never reused
Internal UUID01a0aea3-1474-72fb-b3e0-116992d2b451 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099981
StatusPUBLIC

Content hashes

Canonical text46769a43d90c4e3587b3c88168b7ef77671335f19fc3a7647396b1f67e5773c2
Markdown1f69018fba625d0d608c7af7c3bc4ec3ab50c65611e808de04acebe87ba73052
PDF
Publication page6fb9eb6a331d6556683948048b234f9206a76123e3a64beb985da7400fb95573
Manifestbe136e4b9e57809a06bdef46ac78604404303e922f2c9629fc53e6708b79d13d

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
Signature9ADbgFcfEa1btpchzD/Z+0by3UDr/lCZY1gwVSS3YkudNwlxcu19nYxhRraxPF8NkjRC1ekQgUhjJ6MAxlMoBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:41.071950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099981
observed 6fb9eb6a331d6556683948048b234f92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:41.052158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099981/manifest.json
observed be136e4b9e57809a06bdef46ac786044...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:41.033756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099981/publication.md
observed 1f69018fba625d0d608c7af7c3bc4ec3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:41.013005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099981/publication.txt
observed 46769a43d90c4e3587b3c88168b7ef77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:54.414481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099981
observed 6fb9eb6a331d6556683948048b234f92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:54.396827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099981/manifest.json
observed be136e4b9e57809a06bdef46ac786044...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:54.378573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099981/publication.md
observed 1f69018fba625d0d608c7af7c3bc4ec3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:54.358724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099981/publication.txt
observed 46769a43d90c4e3587b3c88168b7ef77...
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.