OpenTechnical

OT-2026-000051902

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, vented 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-2026-000051902) never changes.

Identity and time

Publication numberOT-2026-000051902 · never reused
Internal UUID01a0ae83-7c85-7301-89f4-571580dd1b8f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051902
StatusPUBLIC

Content hashes

Canonical textd0d8b2c20e5349c7852fa7cced4e1b175e660371ce029f20c14a9a37ce9b14ee
Markdown0ae32094fea65b0422db41832ddb80dc6e67c8287017f6f1d7deed95f193ca32
PDF
Publication page2328ddf1b6087090aa8a31b1e7173bc22731484fdcdf18bad2bc3cf40b7c61c1
Manifesta434e2ec3ec34d326f611fce85610e8cf2262a57ce141fc134e79ce05db5a911

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
Signature1mp4H+OLjZHY+BmGeRF6oACsiDGs9gBsOq1kRCbrKsa2Jqq+zmLmuBo6uRl4hyTxNoVppng5cMcjB14RFG0tCg==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:58:52.045227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051902
observed 2328ddf1b6087090aa8a31b1e7173bc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:52.028132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051902/manifest.json
observed a434e2ec3ec34d326f611fce85610e8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:52.009103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051902/publication.md
observed 0ae32094fea65b0422db41832ddb80dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:51.989161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051902/publication.txt
observed d0d8b2c20e5349c7852fa7cced4e1b17...
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.