OpenTechnical

OT-2026-000006275

Publication integrity record

Bellows cup vacuum gripper, two zone face, pump fed, sustained blow off 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-2026-000006275) never changes.

Identity and time

Publication numberOT-2026-000006275 · never reused
Internal UUID01a0a955-39af-767d-bc9a-c4ec5874fb77 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:28:49.969957Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006275
StatusPUBLIC

Content hashes

Canonical text1a46db709310a8d7a5aa85f42ee307c96c5366a0eee08add77a2e73353bbb116
Markdownae774e16b33a9fc44ed869ee8a19572606165ff8f29ae838bd34eb0f2c224148
PDF
Publication page51a71f3a7b293ee46fbeba18100cb8eb9d22c86c8eeb8a4835694385d45880f8
Manifest573cac61baf675e8e8a141c70721d92484b637a7b784a42b04990ee540609185

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
Signature50iNoHXtCqaGD+EMbz/bQqfcq5k5mRaw8D1PMI77I2LijxDTfeHNy27SjXl87/q6F8aPk626Hxbiv/Ni+cgoCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:30:06.920226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006275
observed 51a71f3a7b293ee46fbeba18100cb8eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:06.904036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006275/manifest.json
observed 573cac61baf675e8e8a141c70721d924...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:06.886559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006275/publication.md
observed ae774e16b33a9fc44ed869ee8a195726...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:06.872470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006275/publication.txt
observed 1a46db709310a8d7a5aa85f42ee307c9...
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.