OpenTechnical

OT-2026-000083827

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, 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-2026-000083827) never changes.

Identity and time

Publication numberOT-2026-000083827 · never reused
Internal UUID01a0ae98-0418-73d9-b6a2-59612dfab2a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083827
StatusPUBLIC

Content hashes

Canonical text129060ca9fc26ccf17621a9682f10b4a669568145feb5215ec043fed8bf420a5
Markdownfe21835400c263ca306b78927684a3fffd43b3568e6e51eb92cd508be4eb70d7
PDF
Publication page190757d54e3a0b969aef8f28c943ff518fcea58d7144e857e1faeaaa0d59665b
Manifest64bef2f30e892d18a7b4e23f16879a07a23a45d4b57248618f880ac081b8f45c

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
Signature0F0xuM95j7POODXIHLzlKQESkrpzO3AfMFuXe11HNDfJHiCfubARvTmKZa8DxWj23YMfijFnh7ieNMozw/1bCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:00:05.337587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083827
observed 190757d54e3a0b969aef8f28c943ff51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:05.320008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083827/manifest.json
observed 64bef2f30e892d18a7b4e23f16879a07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:05.303563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083827/publication.md
observed fe21835400c263ca306b78927684a3ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:05.283791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083827/publication.txt
observed 129060ca9fc26ccf17621a9682f10b4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:28.920244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083827
observed 190757d54e3a0b969aef8f28c943ff51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:28.903933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083827/manifest.json
observed 64bef2f30e892d18a7b4e23f16879a07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:28.886951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083827/publication.md
observed fe21835400c263ca306b78927684a3ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:28.869050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083827/publication.txt
observed 129060ca9fc26ccf17621a9682f10b4a...
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.