OpenTechnical

OT-2026-000007267

Publication integrity record

Bellows cup vacuum gripper, ejector fed, pressure verified, contact triggered, vented after 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-2026-000007267) never changes.

Identity and time

Publication numberOT-2026-000007267 · never reused
Internal UUID01a0a978-ae96-794a-a78a-5b368edd95f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:07:33.659124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007267
StatusPUBLIC

Content hashes

Canonical textfcfc731f629de2a3961c5469676b5cf35d2d7f489ca6fe8db2c11492b2367c17
Markdown993aca39ad56b58ce0d880df30494f701d73736fd0ec536a1db5383c5437e817
PDF
Publication pagec251958c92bd933a61e03ad72cc690d6f9bced875311f93c33f5cbef860da2cf
Manifest4bbbbf7d6f4a712c77f7fb09bebccebc2f5c541642fc2b62dc76039107382337

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
SignatureEdLgPjVkMZID6IpxA/CC55L8LkThKL2EJ9sd7lFEdeihVEnfxRgPmWH8B1B2/KW5IiyFy24OMexEIJbtfIaKCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T16:42:46.857087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007267
observed c251958c92bd933a61e03ad72cc690d6...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T16:42:46.598397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007267/manifest.json
observed 4bbbbf7d6f4a712c77f7fb09bebccebc...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T16:42:46.381542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007267/publication.md
observed 993aca39ad56b58ce0d880df30494f70...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T16:42:46.014427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007267/publication.txt
observed fcfc731f629de2a3961c5469676b5cf3...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T09:10:09.726843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007267
observed c251958c92bd933a61e03ad72cc690d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:09.713824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007267/manifest.json
observed 4bbbbf7d6f4a712c77f7fb09bebccebc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:09.701579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007267/publication.md
observed 993aca39ad56b58ce0d880df30494f70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:09.688177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007267/publication.txt
observed fcfc731f629de2a3961c5469676b5cf3...
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.