OpenTechnical

OT-2026-000034856

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000034856) never changes.

Identity and time

Publication numberOT-2026-000034856 · never reused
Internal UUID01a0ae76-1ed3-7bbe-9a39-0b3a8e59eff4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034856
StatusPUBLIC

Content hashes

Canonical text69d90ae04a37d11384e808021c0b80963abe92d6e7c755764f8698940dbdd4fa
Markdown84827086bacad8326736612cee73393bb06803e320cceda637c9ff2d2ce814fd
PDF
Publication page980c71b7f914ac6ff3724c3fbb0516780e6a10bc20282fea7eb85c34cfe6c2ec
Manifest642cb34eb5839e650a161207da9f2fbb9bfc3e19f075bd30242bafaacf720b31

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
SignatureaYvBZR+BIrganoumgDDGeR69gUouUh5nE+TtU8kenceExpFb1k1KDjZ+/Pp16rKdPMINHs8uO6jHWGt5sAhwBg==
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

2026-09-17T11:30:30.249935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034856
observed 980c71b7f914ac6ff3724c3fbb051678...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:30.226084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034856/manifest.json
observed 642cb34eb5839e650a161207da9f2fbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:30.191622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034856/publication.md
observed 84827086bacad8326736612cee73393b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:30.165181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034856/publication.txt
observed 69d90ae04a37d11384e808021c0b8096...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:51.158679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034856
observed 980c71b7f914ac6ff3724c3fbb051678...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:51.140711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034856/manifest.json
observed 642cb34eb5839e650a161207da9f2fbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:51.115043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034856/publication.md
observed 84827086bacad8326736612cee73393b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:51.093901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034856/publication.txt
observed 69d90ae04a37d11384e808021c0b8096...
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.