OpenTechnical

OT-2026-000027150

Publication integrity record

Foam pad vacuum gripper, two stage ejector, supply line 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-2026-000027150) never changes.

Identity and time

Publication numberOT-2026-000027150 · never reused
Internal UUID01a0ae72-3454-7085-8d08-d5d1ff202f54 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027150
StatusPUBLIC

Content hashes

Canonical text9a8dff0d93ba35be524cee411594b719f9165e93b39b2f286484bc1df44b2334
Markdown2ac9a91c7453f57bb22ada9ca149348e4b158a6bb4fd06501156aab89d7c042f
PDF
Publication page5a16eb7e2fe6d4277cf4dfc8556e00793767dd837473a77f8e12bdedcd8b285e
Manifestedf506a009e788500abf9c1f50d21fa039adcd2a2a07785fbaf23fbe138db5d1

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
SignatureXeh+3hNccvVqQAZobVnEUNtdYPLDwsz1JRsqwz3ACBPl49BDGUzW2MGlKK743Uj09vLrvbeK6QrO6SvqqO3gDw==
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

2026-09-17T11:43:55.736809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027150
observed 5a16eb7e2fe6d4277cf4dfc8556e0079...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:55.719260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027150/manifest.json
observed edf506a009e788500abf9c1f50d21fa0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:55.702102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027150/publication.md
observed 2ac9a91c7453f57bb22ada9ca149348e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:55.684729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027150/publication.txt
observed 9a8dff0d93ba35be524cee411594b719...
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.