OpenTechnical

OT-2026-000072160

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, supply line pressure sensor, vented 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-2026-000072160) never changes.

Identity and time

Publication numberOT-2026-000072160 · never reused
Internal UUID01a0ae92-47c2-7997-8262-85d393f11ce3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072160
StatusPUBLIC

Content hashes

Canonical text9cf06b06adbe9db426d7f051374f740e47f42123940e9119ec210a777e199f1b
Markdownce48fd9ebfb6c7b151a68ab1534a35f03d597a83509c2dd65e1c2c5d28b08cf2
PDF
Publication pagefaed3a9f951140c9c39d6bbfd0a8555b511ae1f78120a65026a4239a20b10d53
Manifest37fbd53f1e9f78b1f6037e6defa5eac59b2606213beac2d97343f1e09fb39004

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
SignatureXDEtceXIRVeeb8jYKOSjr3WbWk+vcX6i0mwxZJy7ReKxKHH4pfZe16ktLQd9ej9+UVqomAeohL25XQxdc2GbCQ==
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

2026-09-17T10:23:15.510264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072160
observed faed3a9f951140c9c39d6bbfd0a8555b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:15.491310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072160/manifest.json
observed 37fbd53f1e9f78b1f6037e6defa5eac5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:15.474323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072160/publication.md
observed ce48fd9ebfb6c7b151a68ab1534a35f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:15.457627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072160/publication.txt
observed 9cf06b06adbe9db426d7f051374f740e...
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.