OpenTechnical

OT-2026-000075205

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, single stage ejector, manifold pressure sensor, pulsed 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-2026-000075205) never changes.

Identity and time

Publication numberOT-2026-000075205 · never reused
Internal UUID01a0ae93-f200-7b7b-8be2-12f6c0415b99 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075205
StatusPUBLIC

Content hashes

Canonical textab60bbf7d7d6e659814e6d2d9751d2fa4abe93a5142685555c2f19e571b75a47
Markdowned97ff99c5bc3029c37f9a60555e1296a094e35e0dce098b05e3b87057069e6d
PDF
Publication page87cef69fc1482118fcf8887fecea947ec43390214cfff192561fde281b4f7549
Manifestb0d79c6d084bcd90c54eae7278bbed97e104009aa2c1c3c428e184b38e51af9b

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
SignaturezXzAkGD0uIPw4m58eed4x8gV0SSjIZDcr7a5S6Z6+FOztlw9wLC8kyGER2BzFa79iw28LvSDp22UrsLuMmPUAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:20:27.841629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075205
observed 87cef69fc1482118fcf8887fecea947e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:27.823229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075205/manifest.json
observed b0d79c6d084bcd90c54eae7278bbed97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:27.803836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075205/publication.md
observed ed97ff99c5bc3029c37f9a60555e1296...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:27.787211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075205/publication.txt
observed ab60bbf7d7d6e659814e6d2d9751d2fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:41.296087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075205
observed 87cef69fc1482118fcf8887fecea947e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:41.278091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075205/manifest.json
observed b0d79c6d084bcd90c54eae7278bbed97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:41.259054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075205/publication.md
observed ed97ff99c5bc3029c37f9a60555e1296...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:41.239027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075205/publication.txt
observed ab60bbf7d7d6e659814e6d2d9751d2fa...
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.