OpenTechnical

OT-2026-000079676

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000079676) never changes.

Identity and time

Publication numberOT-2026-000079676 · never reused
Internal UUID01a0ae96-4375-70d0-b192-92ea71f38b90 · 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-2026-000079676
StatusPUBLIC

Content hashes

Canonical text41df08de103849668a22778b8ddf38065717ddd6897ab86dcfc4480a75264f42
Markdownf17322ddfdfd1819f94ae58df3b979a73572332fc11491651855acea0d9b5f45
PDF
Publication page0b0e1f53136dcb5867f3605e6cb95396e2431b4bd43255a5a7640da1ee3bc2c3
Manifest1976110c20a0d78daac6ad7d15a5a36ee4809c44a149c764e676dc7fca1c688f

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
Signaturevu9x4Az4cCENuECUiWmgJJecawBCgx0X3/cLRWcwKW78cIlgHaRLWniNUXntoyi7jWmOZ0Z+BMN/6FM5oyLVAA==
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

2026-09-17T10:03:27.044312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079676
observed 0b0e1f53136dcb5867f3605e6cb95396...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:27.026267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079676/manifest.json
observed 1976110c20a0d78daac6ad7d15a5a36e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:27.007272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079676/publication.md
observed f17322ddfdfd1819f94ae58df3b979a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:26.989596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079676/publication.txt
observed 41df08de103849668a22778b8ddf3806...
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.