OpenTechnical

OT-2026-000077927

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, pressure sensor per zone, pulsed 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-2026-000077927) never changes.

Identity and time

Publication numberOT-2026-000077927 · never reused
Internal UUID01a0ae95-2ed1-7fe2-8bf6-21e45ed89226 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077927
StatusPUBLIC

Content hashes

Canonical text3fe906a5f00189abf9b4e1bd1d0534fdb33765bdb03137715a5f6a3dbb4d4097
Markdown222e7817b64cba11a48cb46f50184ba78507a6d80cabd505a3e990156bc4f4e8
PDF
Publication page133353a4197a206237b9f900a02eff0528c624acc0bdce7d56f7325c58340aa3
Manifest4aa35f1b911a7d1a71a37b796a45887f4f1840c0bc635155a993d9e33e03536e

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
SignaturePx9TGWu+4x1O0eyd1PR5sLlA12YZbxas3mfGZ0SXGgl/hrfNe2VulqYDdo0iVE7ASFNQrcifmSAvWTh519aGDg==
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

2026-09-17T10:10:11.297835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077927
observed 133353a4197a206237b9f900a02eff05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:11.276245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077927/manifest.json
observed 4aa35f1b911a7d1a71a37b796a45887f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:11.255393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077927/publication.md
observed 222e7817b64cba11a48cb46f50184ba7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:11.232975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077927/publication.txt
observed 3fe906a5f00189abf9b4e1bd1d0534fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:12.300151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077927
observed 133353a4197a206237b9f900a02eff05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:12.283272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077927/manifest.json
observed 4aa35f1b911a7d1a71a37b796a45887f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:12.264385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077927/publication.md
observed 222e7817b64cba11a48cb46f50184ba7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:12.245014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077927/publication.txt
observed 3fe906a5f00189abf9b4e1bd1d0534fd...
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.