OpenTechnical

OT-2026-000081217

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, 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-2026-000081217) never changes.

Identity and time

Publication numberOT-2026-000081217 · never reused
Internal UUID01a0ae96-f373-7f8a-8b87-ea1086583be2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081217
StatusPUBLIC

Content hashes

Canonical text85c8748b37c840a730036e926703c1a8622a4cfbcc4b45a8ddd0e91bd7615330
Markdownac99906d6248c18a6f5e337c9944c701f4f70301dbc8e8e164793949bd9339e1
PDF
Publication page46f4d3ead8e11604fa971f3f24e83edcd6404a784616fa680df4f2b58f6e7710
Manifesta2e83f5cde4a9aceff1fad776200fa4c02a72bdf40c1bc371a49166ee9b32ee6

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
Signature/Yg67Kn1tZAhIx+qDLXmgchrS/ItDcU7iTyZ4wDSY/+HH22Q9KhHqs3XQiYQSEwMT32e0hAVBCUm75FV1wwdCA==
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

2026-09-17T10:01:17.904989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081217
observed 46f4d3ead8e11604fa971f3f24e83edc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:17.884168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081217/manifest.json
observed a2e83f5cde4a9aceff1fad776200fa4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:17.863459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081217/publication.md
observed ac99906d6248c18a6f5e337c9944c701...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:17.837966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081217/publication.txt
observed 85c8748b37c840a730036e926703c1a8...
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.