OpenTechnical

OT-2026-000034712

Publication integrity record

Single bellows cup vacuum gripper, three 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-2026-000034712) never changes.

Identity and time

Publication numberOT-2026-000034712 · never reused
Internal UUID01a0ae76-1ed2-7416-9651-efef57381b15 · 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-2026-000034712
StatusPUBLIC

Content hashes

Canonical text1f5a94d7681a2d3f251fdde099da10b6a4f9245b7877d6c4cc156503f5b11dd3
Markdown6946909a9fb16888ec3f03dae2193ff1986f0fc22d19dfb02daac8abd73d7e4b
PDF
Publication page83cc7cf2b06a537b6153ebcd03e14841c11dfd7a0bea8c7cc5a512243a0e1365
Manifest4fee23bfb492bd5db423eae0be17b9a616eb4f1f1a53b5dad826d33b0ff76ff8

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
SignatureaTaQBQg7fpVN6zQY+ouSgKe3mjZGeaHdCHU04SlrJvoJ6aH65Nt5qlUDn7dgvhn0Dceeq9yBDvMWri3lLX4ACA==
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

2026-09-17T11:30:06.678495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034712
observed 83cc7cf2b06a537b6153ebcd03e14841...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:06.662205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034712/manifest.json
observed 4fee23bfb492bd5db423eae0be17b9a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:06.644970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034712/publication.md
observed 6946909a9fb16888ec3f03dae2193ff1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:06.603388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034712/publication.txt
observed 1f5a94d7681a2d3f251fdde099da10b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:39.511891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034712
observed 83cc7cf2b06a537b6153ebcd03e14841...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:39.492786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034712/manifest.json
observed 4fee23bfb492bd5db423eae0be17b9a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:39.475738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034712/publication.md
observed 6946909a9fb16888ec3f03dae2193ff1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:39.438757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034712/publication.txt
observed 1f5a94d7681a2d3f251fdde099da10b6...
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.