OpenTechnical

OT-2026-000057540

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, sustained blow-off 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-2026-000057540) never changes.

Identity and time

Publication numberOT-2026-000057540 · never reused
Internal UUID01a0ae88-2693-79a8-94b3-315da3f8ebf1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057540
StatusPUBLIC

Content hashes

Canonical textfecf97cf7d097d3c0138fce8c39ac059fa1bcaf3c9b003e592185bc2e28ca3be
Markdown986ed61cfa627e337475b1354b92c32a445f7e1d7e2439454012d2ceadffaf3f
PDF
Publication page5e03b9c5c40c1592a79cd08a94052f904b1d92b91f9e5e25df06698f9074bc6f
Manifest2a3ecee491585cf5b9b8158b1cec63803155f3c06c672fdefda916baabbc2a6f

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
Signaturejuv7lD9v5E4U96kAsrB2vw9G5lAoV/K+CCjcBsg9mq+CJE4MtrsfgnsHO0P+2M1CZ3H/9lB7PA+G6siXOHo5Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:48:04.705746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057540
observed 5e03b9c5c40c1592a79cd08a94052f90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:04.687017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057540/manifest.json
observed 2a3ecee491585cf5b9b8158b1cec6380...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:04.667294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057540/publication.md
observed 986ed61cfa627e337475b1354b92c32a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:04.651790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057540/publication.txt
observed fecf97cf7d097d3c0138fce8c39ac059...
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.