OpenTechnical

OT-2026-000080829

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, 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-2026-000080829) never changes.

Identity and time

Publication numberOT-2026-000080829 · never reused
Internal UUID01a0ae96-b974-7c8c-8d78-f7622e0c9794 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080829
StatusPUBLIC

Content hashes

Canonical text7a6026686f98eaab0cc4d2a5b51d8d5669b3669d6ee2c1e6f40f6a717c984163
Markdownb23f329e0f12844c0c592422e79373ad71453a1ca046b7cfc57734bfb3413544
PDF
Publication pagef7d363caea086d4dd2df3955817b2b40fc550cd525e95601343dc1597b341bf0
Manifestbf09b6de233d827bd073304dc00bac1b878e57e5edeadf247df3446443f6b789

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
Signature0nm7Q1tY9/VAneN2kpt0vYd5cucAQIpvKLFs6cVWB7IBkZhiRuMRcYqkJ/PUlFc578AwwT6Fv6vYWpaaHJ0PBQ==
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

2026-09-17T10:02:00.911818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080829
observed f7d363caea086d4dd2df3955817b2b40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:00.892463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080829/manifest.json
observed bf09b6de233d827bd073304dc00bac1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:00.873809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080829/publication.md
observed b23f329e0f12844c0c592422e79373ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:00.857168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080829/publication.txt
observed 7a6026686f98eaab0cc4d2a5b51d8d56...
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.