OpenTechnical

OT-2026-000023460

Publication integrity record

Single bellows cup vacuum gripper, pump fed, supply line pressure sensor, pulsed 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-2026-000023460) never changes.

Identity and time

Publication numberOT-2026-000023460 · never reused
Internal UUID01a0ae70-7269-7740-94fc-72866d5b4b32 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023460
StatusPUBLIC

Content hashes

Canonical text1e872d79629626251b7f1768d26b52c63eb50ef0190d6996cb5aeb495526f223
Markdownadb615c448bddd3ce11b88eae0a77c00df8e6beec4cbb5f1c576be3aa8c65652
PDF
Publication pagec909429dbd21373dfe015a094b40ac7a1933e7cf589b235d9198756c0a5d42a1
Manifest275dc1daaa1d5fb64425c66eb2586883bcf9208352164150dfff49d7beff8661

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
SignatureSAjYsBLlOYqSjdF06OPoLrTh1FvyP1qflkSbeXOldz9duP+BQV9Z5puKgT+95W/dc6d1U769tgJMnPkyzXCWAw==
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

2026-09-17T11:51:40.788396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023460
observed c909429dbd21373dfe015a094b40ac7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:40.771186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023460/manifest.json
observed 275dc1daaa1d5fb64425c66eb2586883...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:40.754879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023460/publication.md
observed adb615c448bddd3ce11b88eae0a77c00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:40.737133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023460/publication.txt
observed 1e872d79629626251b7f1768d26b52c6...
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.