OpenTechnical

OT-2026-000079977

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, three 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-2026-000079977) never changes.

Identity and time

Publication numberOT-2026-000079977 · never reused
Internal UUID01a0ae96-4377-7345-b5d1-73ff58d34042 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079977
StatusPUBLIC

Content hashes

Canonical text2d8f4fb94d14ce3b4d2db97e24ab0145dfc9e02286157c504ddee24b46eb5087
Markdown0a04a525e47e4c274ed4b993aee120de2815a7c276e94374de90ff106b8f5f2a
PDF
Publication page47f0ac97c33605f7d01fa3bb6bb577d989ece881eca39d5f55a46d74dc053a55
Manifest7ee4e06dee294173b4ae56c0bc999d1a5dfffca35092755f11bbe67f7f1656ab

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
SignatureCcQP0aRYGLh5/dnhwiut5FS+yUbQAPGKpFy+OLjxZ2c/617w7lwJ2RQ885wADSJrqWv359ghZzbDx7L8ke03Cw==
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

2026-09-17T10:03:53.589383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079977
observed 47f0ac97c33605f7d01fa3bb6bb577d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:53.571611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079977/manifest.json
observed 7ee4e06dee294173b4ae56c0bc999d1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:53.552725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079977/publication.md
observed 0a04a525e47e4c274ed4b993aee120de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:53.534314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079977/publication.txt
observed 2d8f4fb94d14ce3b4d2db97e24ab0145...
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.