OpenTechnical

OT-2026-000070598

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, 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-2026-000070598) never changes.

Identity and time

Publication numberOT-2026-000070598 · never reused
Internal UUID01a0ae91-5460-7f3c-85f5-2df8566353ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070598
StatusPUBLIC

Content hashes

Canonical textec4b7c725ae5e6f4a9bfb78680250a36829b627c4f34fd7a34dd07b9c085d045
Markdown71fbbfd476e0c14bd703edeea655ed00f7330670f79a5f574dbed677b7b8666b
PDF
Publication pagee47732f5468b98c64d48243f8a1ba52aae8237ee6294b6cc15429fe47e3b4b12
Manifeste8413f4bdad23cc00473ad7f6b3bb3a64a2c7d8421068f1bce63dac7392be80e

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
Signature9u8beofZ5mzLyzlnGqVESdBuSE+/RDN2yDDDp1cGl4up1RcRjigA9TJstU6HVY8vcjxKEiGqh9ierH1nqMUbDw==
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

2026-09-17T10:26:27.325798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070598
observed e47732f5468b98c64d48243f8a1ba52a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:27.307014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070598/manifest.json
observed e8413f4bdad23cc00473ad7f6b3bb3a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:27.290438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070598/publication.md
observed 71fbbfd476e0c14bd703edeea655ed00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:27.273572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070598/publication.txt
observed ec4b7c725ae5e6f4a9bfb78680250a36...
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.